booklet - Joint Master Architecture
Transcription
booklet - Joint Master Architecture
SOMMAIRE PROGRAMME INTRODUCTION PLAN D’ACCÈS INTERVENANTS TEXTES textes PROGRAMME LUNDI 18.05.2015 09h30-11h00 Michael Jakob Introduction 11h15 - 16h45 CONFERENCES MARDI 19.05.2015 09h30-16h45 CONFERENCES 17h00 PRESENTATION EVE MERCREDI 20.05.2015 09h30-16h45 CONFERENCES JEUDI 21.05.2015 09h30-16h45 CONFERENCES VENDREDI 22.05.2015 09h30-15h00 CONFERENCES 15h15-16h45 Synthèse et présentation travaux textes INTRODUCTION Shrinkage, décroissance, entropie, crise... le discours architectural et urbanistique des dernières décennies a été marqué par des termes négatifs, sinon apocalyptiques. Or, alors que certains villes et régions sont en perte de vitesse, d’autres connaissent, au contraire, une croissance extraordinaire. Notre séminaire questionnera les effets et les caractéristiques de la décroissance dans le milieu urbain, en partant de cas précis et des approches théoriques les plus actuelles. L’une des questions que nous aimerions poser est celle du statut du projet à l’enseigne de la décroissance: peut-on projeter la décroissance? Les conférenciers réunis tout au long de la semaine proposeront à la fois une approche globale (une théorie de la décroissance) et des analyses ponctuelles. Le point de vue croisé d’architectes, d’urbanistes, de géographes, d’économistes et de philosophes, portant sur des réalités européennes et nord-américaines, nous permettra de repenser les problèmes de l’urbanité contemporaine. The architectural discourse of the last decades has been dominated by several negative (and even apocalyptic) categories, such as shrinkage, entropy, or crisis. However, while certain cities or region across the world still massively decrease, other urban realities are growing at a very fast rate. Our seminar intends to question the impact of shrinkage on cities, taking into consideration both the theoretical context and site specific peculiarities. One of the main problems we want to develop is the following : is it possible to design the shrinking city, and if so, how. Another issue is the synchronic existence of shrinking and booming or sprawling sectors in on and the same urban context. The conferences selected for our seminar will look at the same time for global answers (at the heart of a theory of shrinkage) and site related empirical analysis. By crossing the point of view of architects, urbanists, geographers, economists and philosophers among others, related mostly to European and North-American cases, we intend to ask central questions as to the identity of the contemporary urban space. Michael Jakob PLAN D’ACCÈS PAVILLON SICLI route des acacias 45 1227 acacias t. + 41 22 596 43 80 INTERVENANTS THIERRY PAQUOT Paris Thierry Paquot, philosophe de l’urbain, professeur des universités, membre de la Commission du Vieux Paris, président du Conseil d’orientation du Learning Center sur la ville durable (Halle-aux-Sucres/Dunkerque), président de l’association « Image de Ville » (Festival d’Aix-en-Provence), membre de la rédaction des revues ‘Scape (Pays Bas), Localities (Corée du Sud), Urban (Italie), Books, Esprit, Hermès, Diversité (France), responsable du programme « Archiciné » à la Cité de l’architecture et du patrimoine (Paris). Thierry Paquot est auteur de nombreux ouvrages, dont sur ce sujet : Utopies et utopistes (2007), Introduction à Ivan Illich (2012), Alter-architectures. Manifesto (sous la direction de, 2012), Désastres urbains. Les villes meurent aussi (2015), Lewis Mumford, pour une juste plénitude (2015) et Situationnistes en ville (sous la direction de, 2015). Il est également le rhapsode de L’Esprit des Villes. intervenant Y a-t-il une juste taille pour les villes ? Durant des millénaires la taille démographique des villes ne dépassait pas 300 000 habitants, la grande majorité d’entre elles se suffisait de 10/15 000 citadins, sauf quelques exceptions que Paul Bairoch nous indique, Rome, Bagdad, Constantinople et X’an qui abritaient chacune environ un million de personnes à leur apogée. Avec l’industrialisation, la mécanisation des transports et depuis quelques décennies la globalisation de l’économie et les migrations qui l’accompagnent, les villes « millionnaires » se comptent par centaines et semblent petites à côté des mégalopoles de plusieurs dizaines de millions d’urbains qui se constituent sur tous les continents, en particuliers en Asie, Afrique et Amérique du nord et du sud. Simultanément à cette urbanisation par énormes conurbations, on observe le désir, chez certains, de ne pas dépasser un seuil, au nom de l’habitabilité même de la ville, de sa capacité à rester « urbaine », économe et hospitalière. Les partisans de la « juste mesure » considèrent qu’au-delà de tant d’habitants la ville devient invivable, ainsi le mouvement de slow città, les « villes en transition », les écovillages, les biorégions urbanisées et autres unités territoriales urbaines proposent-ils de ne pas dépasser le million d’habitants, fixant parfois à moins de 100 000, la population idéale. Platon, Thomas More, Fourier, William Morris, Piotr Kropotkine, Ebenzer Howard, Lewis Mumford pour ne citer que quelques noms, suggéraient également une « bonne taille » pour une « bonne ville ». Thierry Paquot retracera cette géohistoire de la juste mesure urbaine et en analysera les arguments. Son exposé visera à expliquer ce qui fait que les villes en sont et à expliquer en quoi l’urbanisation actuelle s’effectue sans ville et souvent contre les villes. conference CYRILLE HANAPPE Paris Cyrille Hanappe est architecte DPLG et ingénieur centralien. Il enseigne à l’Ecole Nationale Supérieure d’Architecture Paris Belleville depuis 2006. Il est Directeur Pédagogique du Diplome de Spécialisation en Architecture et Risques Majeurs de cette même école. Il a crée en 2000 l’agence AIR - Architectures Ingénieries Recherches dont l’activité est à l’articulation de ces trois domaines. - Architectures : nous avons développé une spécialisation sur les équipements culturels et les salles de spectacles depuis plusieurs années, que ce soit au sein de l’agence – créée en 2000 – ou pour d’autres architectes (Architecture Studio, Manuelle Gautrand, Antoine Stinco…). Notre champ d’activité couvre les domaines du logement, de la santé, des espaces commerciaux et de l’évènementiel. - Ingénieries : nous avons réuni au sein d’une même structure différentes compétences complémentaires : architecture, architecture intérieure, HQE, ingénierie, économie, acoustique, urbanisme et paysage. Deux ingénieurs et un ingénieur-architecte effectuent en interne les services d’économie et de coordination des lots techniques. - Recherches : Exposés à Archilab 2001, Finalistes Europan, du Concours national du meilleur diplôme, 2nd prix du Concours Zinc…, nous sommes soucieux d’apporter à nos projets un travail de recherche approfondie pour offrir des solutions toujours innovantes et une réelle valeur ajoutée aux opérations qui nous sont confiées. intervenant l'Architecture au Temps des Déreglements: Camps et Bidonvilles Un tiers de la population mondiale vit en bidonvilles et 60 millions de personnes sont actuellement en camps. Très peu d'architectes s'interessent à ces formes urbaines et architecturales en développement alors qu'elle abritent des populations appellées à être de plus en plus nombreuses. Alors que la résorbtion des ces espaces urbains est un mirage devenu sans objet, on peut se demander si ils ne proposent pas de nouveaux systèmes architecturaux, voire des modèles pour une ville qui prendrait en compte le Développement Durable dans son sens le plus large : Social, Economique et Environnemental. Les étudiants de l'ENSA Paris Belleville travaillent sur des bidonvilles de la région parisienne et des camps et jungle du Calaisis appellés à disparaitre pour établir une "archéologie du temps présent". Ils proposent ensuitre des interventions spatiales dans ces espaces pour participer à la production d'environnement basés sur des paradigmes nouveaux. conference MARCO ROMANO Rome Marco Romano è uno dei maggiori urbanisti italiani viventi. Già professore ordinario di Estetica della città, ha diretto il Dipartimento di Urbanistica dello IUAV e «Urbanistica», la rivista dell’Istituto Nazionale di Urbanistica. È stato direttore scientifico della Sezione italiana alla XVII Triennale di Milano sul tema «Le città del mondo: il futuro delle metropoli». Nel 2009 al 2012 è stato membro del Consiglio superiore del MiBAC. Ha collaborato a vari giornali e scrive sul «Corriere della Sera». È autore di numerosi saggi, tra cui L’estetica della città europea (Einaudi 1993), Costruire le città (Skira 2004), La città come opera d’arte (Einaudi 2008), Ascesa e declino della città europea (Raffaello Cortina, 2010), Liberi di costruire (Bollati Boringhieri 2013), La piazza europea (Marsilio, 2015) www.esteticadellacitta.it intervenant Il tramonto della città europea Carlomagno era impregnato dall’imperativo morale di costruire una società veramente cristiana, una società dove tutti erano eguali perché tutti egualmente figli di Dio: ma eguali soltanto dopo la morte, in quella felice vita eterna che ciascuno avrebbe meritata nel corso di quella terrena adempiendo scrupolosamente ai doveri della condizione sociale nella quale il Signore lo aveva fatto nascere, contadino o guerriero o con una vocazione religiosa. Ma intorno al Mille l’aristocrazia dei guerrieri, impegolati in interminabili conflitti dinastici, non saranno più in grado di difendere i contadini dalle scorrerie degli arabi - nel 846 saccheggeranno a Roma le basiliche di San Pietro e di San Paolo e un regno arabo prospererà per centocinquant’anni a Frassineto, vicino a Marsiglia - né dalle invasioni degli ungari, gli “orchi” delle steppe, né dalla discesa endemica dei normanni, sicché i cittadini delle città europee, modesti villaggi o paesi appena più grandi, impareranno a difendersi da soli cingendosi di mura, di palizzate, di semplici roveti. Queste città sono società aperte, nel senso che chiunque avrebbe potuto diventarne cittadino alla condizione di avervi il possesso di una casa - quella condizione che sperimentiamo ancora oggi quando, volendo trasferirci in un’altra città, l’ufficio anagrafico della nuova ci chiederà dove abitiamo - e sono poi anche società democratiche, perché la stessa difesa comporta decisioni e impegni collettivi che coinvolgono tutti i cittadini, e per questo anche, in linea di principio, egualitarie. I buoni cristiani del mondo carolingio erano eguali soltanto dopo la morte, ma i cittadini delle città del Mille erano eguali anche in vita, eguali nell’accesso a tutti quei beni che possono rendere più felice la loro vita terrena senza pregiudicare quella eterna; non aveva il Signore creato le ricchezze della natura perché gli uomini ne facessero l’uso migliore per la loro maggiore felicità? In molte civiltà e nel mondo carolingio i bisogni elementari - il cibo, la veste, il riparo - restano per sempre i medesimi, ciotole di riso o ciambelle di mais, tuniche per tutti e uniformi da parata per le élite, capanne o casette e qualche palazzo rarissimo per la corte dei sovrani, quelli cinesi costruiti in legno e rifatti tali e quali ogni cent’anni. L’aria della città rende liberi asserisce un detto di quei tempi, ma la conference libertà cui allude non è quella dall’eventuale servaggio nelle campagne ma quella stessa dei cittadini nell’ambito della città, dove ciascuno è legittimato ad esprimere liberamente il proprio punto di vista su qualsiasi argomento in qualsiasi campo, seguito nel caso da altri cittadini con la medesima opinione fino a formare gruppi consistenti che incidono sullo stile di vita della civitas. Una libertà ignota nei paesi dell’Islam, dove l’appartenenza era prima di tutto alla umma e nella città a un clan, sicché il punto di vista di un individuo non sarebbe stato preso i considerazione da nessuno se non fosse stato quello ufficiale del suo clan. La libertà consiste di fatto nel riconsiderare ogni volta i comportamenti consolidati - è in questo che consiste la nostra stessa libertà - una riconsiderazione che prende di petto il cibo, le vesti, le case per farne il tema di un costante desiderio per qualcosa di nuovo: la civiltà europea è da mille anni non è condizionata dal bisogno ma è retta sul desiderio, e in questo desiderio du qualcxisa cge semore oltrepasa kil nusdi biasdongo è annidata la dignità di ogni persone. Come ammonisce re Lear alla figlia Regana che gli contesta il suo bisogno di una corte di cento cavalieri, Non metterlo in discussione, il bisogno, Anche i poveri più poveri hanno qualche povera cosa di superfluo. Se alla natura non concedi qualcosa che ecceda il suo bisogno naturale, l’uomo si ridurrà come una bestia. Sul desiderio nasce contestualmente il mercato, uno stato d’animo pervasivo prima ancora di essere uno spazio fisico ai margini dell’incasato, dove ciascuno può constatare e confrontare se le merci messe lì in vendita corrispondono ai suoi desideri, che non sono più quelli ricorrenti delle granaglie nude e crude, ma valutate immaginandosi come farne maccheroni da insaporire con qualche formaggio grattugiato. I produttori sciorinano i loro prodotti anche lungo le strade cittadine dove il confronto è pubblico, dove arrivano merci dalle altre città ad allargare la gamma delle scelte: lì le donne fiorentine, agli inizi del Trecento, decideranno di smettere le tuniche bigie che avevano indossato fino ad allora - tuniche bigie che qualche musulmana indossa ancora - e lanceranno la moda delle stoffe colorate e della vita alta, una moda che subito i mercanti fiorentini soddisferanno facendo la fortuna della città. intervenant Nel fare la fortuna della città, tutti faranno anche la loro fortuna, i più avveduti diventeranno ricchi e vorranno manifestare pubblicamente la loro ricchezza: ma la città è per principio egualitaria e i comuni emaneranno per secoli norme suntuarie che vietano alle dame di possedere più di due abiti, prescrivono il numero massimo degli invitati a un pranzo di nozze e minuziosamente le portate da servire, verranno poi vietate a Venezia le lenzuola di lino perché a quei tempi il letto era nella stanza di soggiorno e dunque anche lì doveva venire disciplinata l’esibizione della ricchezza. Se in qualche misura potrà venire disciplinata l’esibizione della ricchezza nel campo alimentare e in quello dell’abbigliamento, le cose andranno diversamente nel campo della casa: poiché tutti, per essere cittadini debbono avere il possesso di una casa, e d’altra parte la civitas è socialmente mobile perché alcuni avranno avuto più fortuna e più abilità degli altri, queste differenze di status verranno con tutta naturalezza registrate ed esibite nella decorazione esteriore delle facciate delle case, nel cui possesso consiste il diritto di cittadinanza, e la libertà del desiderio le farà tutte intenzionalmente belle, compatibilmente con lo status di ciascuno, ma anche diverse tra loro. E questa esibizione della ricchezza nelle facciate delle case non potrà venire disciplinata perché la bellezza e l’abbondanza dei palazzi patrizi costituirà un motivo di orgoglio nel confronto tra le città. Naturalmente, lo sappiamo, un società fondata sul desiderio tocca le corde dei moralisti, e Giovanni Villani non mancherà di riprovare l’abbigliamento disinvolto delle ragazze fiorentine - che Dante avrebbe voluto far ritornare al tempo antico di quelle tuniche informi nella quale era vestita Beatrice - mentre san Bernardino o Petrus Cantor o Aklessandro Neckam predicheranno veementi contro i denari dilapidati nelle facciate delle case invece che destinati a sovvenire i poveri per meritare il paradiso: ma noi oggi li riconosciamo benissimo i critici contemporanei del consumismo e i vincoli posti dalle commissioni edilizie alla libertà di costruire. Gli stessi cittadini sono poi orgogliosi di appartenere alla loro civitas e la civitas tutta intera mostrerà il proprio rango nel contesto di tutte le città europee realizzando temi collettivi di aspetto monumentale, gli stessi in tutte le città europee proprio per diventare il registro condiviso di questo confronto: saranno le mura, la zecca, il palazzo municipale, quelli del podestà e del popolo, il conference teatro, la biblioteca, il museo, ma anche qualche arco trionfale, qualche celebre caffè o il giardino pubblico. Questi temi collettivi verranno sapientemente disposti in sequenza con le strade e le piazze tematizzate, in modo da esaltarsi reciprocamente nella sfera estetica della città: la strada principale, magari contrappuntata nell’Ottocento da una più recente come qui a Ginevra, la strada trionfale con un altro tema a farle da fondale, la strada monumentale con le facciate uniformi, anche qui riconoscibile a Ginevra, e infine la passeggiata, il boulevard, e poi la piazza principale, la piazza del mercato, le piazze dei conventi, la piazza della chiesa, la piazza monumentale, lo square, la piazza nazionale. Le sequenze dei temi collettivi e delle strade e delle piazze tematizzate sono l’esito di una riconoscibilissima volontà estetica, ed è in qualche modo paradossale che le facoltà di architettura del’intera Europa non insegnino a leggere nelle città un’opera d’arte, e proprio a un’opera d’arte noi affidiamo la nostra speranza di venire ricordati in eterno: ...muore il seno sì di Rodòpi, l’occhio del timoniere, ma il poeta, finché non muoia l’inno, vive immortale...canta Saffo - e qualche secolo dopo Orazio dice di sé ...exegi monumentum aere perennius. Solo che a insidiare la perennità della bellezza delle nostre città non sono i picconi dell’ISIS, ma siamo proprio noi stessi e non potremmo farne a meno. Il fatto è che questa mia descrizione della città europea come un’opera d’arte è costruita ricavandola da un universo di fatti proprio come gli scienziati sperimentali trattano i dati delle loro osservazioni, che distribuiscono lungo una curva gaussiana che somiglia al cappello di un carabiniere, assumendo la parte centrale della curva come il dato scientificamente assodato e trascurando come insignificanti errori di misurazione i dati alla periferia della curva, progressivamente in basso a destra o a sinistra. Solo che se dovessi rappresentare le mie osservazioni sulle città europee, quelle che mi hanno consentito di descriverle nei paragrafi precedenti, ricorrerei piuttosto all’immagine di un U, e quanto ho descritto come i comportamenti ricorrenti piuttosto la sedimentazione nella sua curva inferiore degli esiti di tre permanenti conflitti, conflitti che nei secoli hanno ogni volta trovato una sintesi consentendo e promuovendo la città come opera d’arte e che ora non sembra siano più in grado di ritrovarla. intervenant La prima e fondamentale dialettica è quella tra la civitas e l’urbs, perché la civitas con il suo stato d’animo è pervasa dal Weltanschauung che Max Weber definiva come quella dell’homo oeconomicus, dominato cioè nelle sue scelte dalla razionalità strumentale propria del mercato: ma d’altra parte l’ambizione della bellezza propria dell’urbs, della città visibile, sta invece tutta nella sfera del dono, dove chi costruisce un bella facciata alla propria casa non si aspetta trarne un vantaggio materiale, ma soltanto di venire ricambiato da una analoga intenzione altrui nella propria. La Weltanschauung dell’homo oeconomicus comporta d’altra parte che ogni decisione, sia di un individuo nella facciata della propria casa sia della civitas nei suoi temi collettivi, comporti un qualche ragionamento sui costi e sui vantaggi, quand’anche poi i vantaggi non siano sempre monetizzabili: sicché per secoli ogni decisioni erano negli statuti cittadini motivati con il binomio dell’utilitas et decus, dell’utilità e della bellezza, sicché anche la pavimentazione delle strade, oltre a renderle meno scivolose, rendeva anche la città più bella. Ancora fino al 1950 i progettisti dei piani regolatori disegnavano una città più bella, consistente in quelle sequenze di strada e di piazze tematizzate consolidate da una secolare tradizione estetica ed estese fino alle più lontane periferie, che questa intenzione estetica condividevano nei loro larghi boulevard e nei loro vasti square, mentre gli uffici tecnici provvedevano a tutte quelle infrastrutture la renderanno più efficiente. Il predominio di uno dei due corni del nostro dilemma, l’utilità senza la bellezza del razionalismo funzionalista, ha sgangherato la città europea, e le sue periferie moderne, staccate dalla città esistente come fossero corpi separati, costituiscono un corpo morale difficilmente integrabile nella civitas come non sono integrate nell’urbs: sicché, accada che può, ma certo la città europea, quella che ha costituito per secoli il nocciolo della nostra identità, è declinata senza rimedio. La situazione è resa poi ancora meno felice dal progressivo consolidarsi delle nazioni dopo la rivoluzione francese. Per secoli gli Stati europei erano il corredo di un principe, e quando Luigi XIV affermava La France c’est moi non intendeva certo sostenere che le sue disposizioni avessero sempre effetto - ho spesso ricordato le duemila case signorili costruite a Parigi nei terreni decretati da lui decretati come inedificabili, e del resto i provvedimenti sgraditi conference semplicemente venivano ignorati dai parlamenti regionali - ma l’esistenza stessa di uno Stato era condizionato dall’esistenza di un suo sovrano. La nazione è invece un corpo mistico - come quello della civitas - la cui assemblea, per essere rappresentativa di tutti i suoi cittadini, può avocare tutte le competenze delle città, quelle giurisdizioni strappate nei secoli ai sovrani, sicché ha per esempio letteralmente espropriato in Italia la giurisdizione sui loro monumenti, come se una cattedrale o un palazzo municipale fossero l’esito di una volontà nazionale e non dei sogni estetici dei suoi cittadini: se guardiamo al processo in corso in Europa non è difficile intravedere il moltiplicarsi di regole che impedirebbero oggi di costruire un nuovo quartiere fatto come quelli che ammiriamo devotamente nei nostri centri storici: dunque le città, esito della secolare volontà estetica dei suoi cittadini, stanno semplicemente finendo soffocati dalla burocrazia nazionale: e sono certo che se intendessi costruire oggi un edificio moderno accanto a palazzo Rucellai la Soprintendenza ai monumenti di Firenze lo proibirebbe Solo che non sarebbe soltanto il pollice verso della Soprintendenza ma soprattutto sarebbero le procedure cittadine a disciplinare la vostra irruenza, procedure che non avrebbero consentito nel Quattrocento a Giovanni Rucellai di costruire un palazzo in un’architettura così stravagante. Ché resta poi il progressivo tramonto della libertà, di quella essenziale libertà che consentiva il fervore del desiderio, la libertà di esprimere nella facciata della propria casa il sentimento del proprio atteggiamento culturale e dunque del proprio status sociale nella sua ricca complessità. Solo che nel corso del Cinquecento la nuova architettura rinascimentale ha conquistato il suo pubblico, e soprattutto pretende di disporre di regole compositive in grado di rendere belle tutte le case della città, anche quelle più modeste, perché la loro bellezza non è più affidata alla ricchezza della decorazione ma alla rigorosa proporzione dei pieni e dei vuoti, appena sottolineata da modeste modanature: e se ora conosciamo le regole della perfetta bellezza sembra ragionevole imporle a tutte le case della città, rendendola così tutta insieme più bella. Questa polizia estetica verrà nei primi tempi affidata, tra il Seicento e il Settecento, agli stessi funzionari tecnici del comune, e oggi, qui in Italia, a commissioni edilizie, che per loro natura sono chiamate ad attenuare tutto ciò che giudicano provocatorio, escludendo quindi quelle espressioni della volontà intervenant estetica individuale che avevano arricchito per secoli la sfera estetica della città europee. La cosa paradossale è che, mentre le volontà espressive individuali vengono sostanzialmente represse, prolifera una clamorosa arbitrarietà che si manifesta soprattutto nei temi collettivi, affidati spessi ad architetti la cui fama internazionale è legata spesso appunto alla loro ostentata arbitrarietà, e chiamati per questo in tutte le città del mondo: così, se vogliamo chiudere questo profilo del declino della città europea, questo mi sembra quasi emblematico, che le città europee non sono più lo specchio della libera intenzione estetica dei suoi cittadini espressa nelle case - peraltro ormai relegate nelle loro lontane periferie - ma esito di una ricerca architettonica codificata e esaltata fuori dall’Europa. conference ALAN HARDING Liverpool Alan Harding is Professor of Public Policy and leads the work on economic change of the University of Liverpoll’s Heseltine Institute For Public Policy & Practice. With more than 20 years’ experience of managing applied and policy-relevant research projects and programmes at local, regional, national and international levels. Alan Harding has an established reputation for leading and disseminating multi-disciplinary urban and regional research and promoting inter-disciplinary dialogue. He has played a prominent role in rethinking the relationship between urban and regional policy and governance and the role of key urban centres in the national and global economy. Alan Harding has acted as policy adviser to OECD, UK Government departments, House of Commons Select Committees, regional and sub-regional agencies, city councils and private sector organisations. He was a member of the Advisory Group for the Manchester Independent Economic Review. Research Grants: The Innovative Potential Of Contextualising Legal Norms In Processes Of Urban Governance [CONTEXT]: The Case Of Sustainable Area Development Sustaining Growth for Innovative New Enterprises Local Economic Growth What Works Centre Economic Crisis: Resilience of Regions / ECR2 Emerging Technologies, Trajectories and Implications of Next Generation Innovation Systems Development in China and Russia intervenant conference Lucas LUISONI Genève Ingénieur agronome EPFZ, MBA Uni Genève. Conseil en entreprises, pour les institutions publiques et les ONG. Négociation et management interculturel. Gestion des ressources humaines. Gestion, coordination et évaluation de projets de coopération au développement. Direction d’entreprises et d’institutions. Planification participative. Enseignement et formation. Mai 2010 à ce jour Donner du sens Sàrl DDS Conseil Associé gérant, président. 2009 à ce jour DDS Conseil, Consultant indépendant. Haute Ecole du paysage, d’ingénierie et d’architecture (hepia) – HES SO Genève. Chargé de cours - Représentant hepia au sein de la plateforme développement durable des écoles HES genevoises - Représentant de la HES SO au comité de pilotage et au conseil scientifique du programme de coopération pour les pays en développement et les économies en transition DDC-KFH. Depuis 1998 Membre fondateur de l’association des alumni du MBA de HEC Genève (UGMBA) Membre du Comité Exécutif jusqu’en 2004. Depuis 2000 Membre de l’Association pour la Prévention de la Torture (APT) Membre de l’Association Ecologie, Environnement et Développement Durable (AEE + DD) Depuis janvier 2009 Membre du Réseau Objection de Croissance - Genève Depuis mai 2007 Conseiller Municipal de la commune de Puplinge, Président de la commission d’aménagement du territoire Membre de la commission des travaux (2007-2011) Membre de la commission Feu-Voirie-Agriculture (2007 2011) intervenant décroissance.ch Pourquoi la question de l’insoutenabilité de la croissance se pose-t-elle maintenant, alors que cette dernière a été un élément constitutif de l’aventure humaine depuis le début? La raison est que lorsque la famille humaine vivait sur les intérêts de la nature, l’augmentation de la consommation posait seulement une question de justice distributive. Maintenant que nous consommons le capital, il est crucial de poser la question des limites. Nous disposons déjà des connaissances nécessaires pour construire une société en équilibre avec la nature. En partie grâce aux progrès des techniques et de l’information, nous pourrions le faire sans perte inacceptable de bien-être. N’est-il pas plus raisonnable d’utiliser les savoirs d’aujourd’hui pour prévenir les problèmes de demain, plutôt que d’espérer que les savoirs de demain soient en mesure de réparer les problèmes que nous causons aujourd’hui. Passer de Homo faber à Homo sapiens demandera une autre façon de vivre et d’échanger. Il faudra probablement travailler moins (mais tous, et mieux) et apprendre à investir le gain de temps libre que nous aurons en échange au profit de nos liens, de notre culture et de la nature. Mais le métier d’humain ne serait-il pas, tout d’abord, de savoir vivre en harmonie avec ses semblables, dans la limite de son environnement? conference Eduardo RICO Londres Eduardo Rico studied civil engineering in Spain and graduated from the AA’s Landscape Urbanism programme. Currently he works within the Arup engineering team and is part of Relational Urbanism. He has taught at Harvard GSD and the Berlage Institute. currently working in Arup, as well as member of design practices such as Groundlab and Relational Urbanism. He is currently engaged in strategic advice on infrastructure and transportation for urban master planning in the ILG team in Arup. Eduardo focuses his work and research in alternative design practices which feed infrastructural inputs into architectural urbanism. He has been co director with Enriqueta Llabres of the Relational Urbanism Studio in Berlage Institute 2010 and 2012 as well as GSD Harvard 2013. Eduardo is currently co director of the Ma Landscape Urbanism in the Architectural association. Eduardo Rico has extensively lectured on his work on Infrastructures and Landscape as well contributed to various articles and books on the subject matter. intervenant PAN EUROPEAN ATLAS OF RADICAL TERRITORIES In October 2000 the European Landscape Convention in Florence became the first Pan European project with the ambition of engaging the entirety of the European territory from a cultural perspective. While it promised a collective sense of appreciation of territorial specificity and good landscape practice, it trumped a stubborn reality where development practices and territorial and agrarian policies were never translated into meaningful systems of spatial production. The Florence Convention, could be argued, was born without a design ethos which relegated it to a recording the existing rather than projecting the future. It is in this divorce between utilitarian and cultural practices of European policies where the lecture wants to open a discourse on territorial praxis. Using both academic and practice work it shall explore how productive and natural formations can generate the basis of a pan-European project of territories as the basis of new forms of documenting the future of European environments. The lecture locates the work within the contemporary “territorial” focus of design disciplines, emphasizing the social and political implications behind this decision. It then describes forms of representation of the social and material processes that shape our territories, such as interactive digital tools and landscape simulations, to then speculate how these techniques can map alternative futures of our European territory. conference Dominique DREYFUS Paris FORMATION École Nationale de Géologie Appliquée et de Prospection Minière, Nancy: Ingénieur, Option «Valorisation des minerais». Diplôme d’Etudes Approfondies «Génie géologique et Minier». Centre d’Etudes et de Formation pour la Gestion des Assurances et des Risques: CEFAR : Lauréat de la session 2004 formation au risk management. Conseiller à la sécurité du transport des matières dangereuses EXPERIENCE PROFESSIONNELLE Depuis Novembre 2007, expert environnement des mutations industrielles. Diagnostics environnementaux d’entreprises en difficultés. Maitrise d’oeuvre de mise en sécurité environnementale de sites industriels. Assistance à Maitre d’Ouvrage démontage et démantèlement d’équipements et locaux. Assistance à revalorisation de matériels et matières. Assistance à requalification de tènements immobiliers précédemment occupés par sites industriels. Missions d’expertise judiciaire. De 1987à 2007: Industrie Papetière: Promoteur et porteur du projet Papeteries des Alpes; plan de cession partielle négocié auprès du tribunal de commerce de Grenoble. Différents postes de direction de services de production et de direction d’usines. De 1979 à 1987: Industrie Minière. Responsabilités en production. Assistance technique en process et mise en service d’unités de traitement de minerai. Expertise géologique en Amérique Centrale. intervenant La décroissance locale en pratique L’arrêt d’activité et la réaffectation de sites industriels : un parcours complexe. Le contexte, la survie dans les difficultés et ses effets pervers La fin de vie d’un site industriel, quelle qu’en soit la cause, est une période difficile souvent marquée par des restrictions budgétaires et des dérives, organisationnelles et comportementales, aggravant le passif environnemental et rendant plus onéreuse la réaffectation des locaux. La phase d’arrêt, comportement des hommes Les conditions de la cessation d’activité sont déterminantes pour la suite des opérations. Tous les cas de figure sont possibles depuis l’arrêt maitrisé et le repli en bon ordre, jusqu’à l’arrêt sauvage et l’abandon des installations. La rupture du contrat de travail se traduit par une dissolution brutale du lien entre les individus et l’entreprise et parfois entre collègues eux-mêmes. Cela génère tous types d’attitudes et de comportements allant de la déprime à la révolte. La mémoire du site est souvent la première victime de ces phénomènes La mise en sécurité, obligations et obstacles techniques et financiers L’installation désertée devient très rapidement la cible d’utilisateurs clandestins : pillards, curieux, aventuriers de tous âges alors qu’elle présente de très nombreux dangers. La loi et la raison imposent de prendre un certain nombre de mesures de confinement et de traitement des risques. Les opérations peuvent être techniques en raison de la dégradation des installations et sont souvent onéreuses Investigations et enjeux environnementaux, aspects règlementaires L’industrie, au fil de décennies d’activité, a très souvent laissé des traces dans le sous sol et dans les eaux souterraines. Il convient de dresser l’état des lieux, de connaître l’impact sanitaire et environnemental des contaminations de façon à mettre le site en adéquation avec le ou les usages futurs. Les travaux de traitement peuvent s’avérer longs et coûteux. Il est parfois complexe de les financer. conference Christoph LINDNER Amsterdam Christoph Lindner is Professor of Media and Culture and Director of the Amsterdam School for Cultural Analysis Cities Project at the University of Amsterdam, where he writes about cities, globalization, and visual culture. His recent books include Imagining New York City (Oxford University Press, 2015), Inert Cities (I.B. Tauris, 2014), and Paris-Amsterdam Underground (Amsterdam University Press, 2013). He is currently working on two books projects: Art and Urbanism in the Accelerated City and the edited volume Deconstructing the High Line: Essays on Postindustrial Urbanism. intervenant The Retracting City: New York’s High Line as Implosion Christoph Lindner, University of Amsterdam Designed around slowness, detour, and delay, the High Line is an innovative promenade created on a disused elevated railway in Manhattan. Since opening in 2009, the elevated park has been widely celebrated as a monument to grassroots activism, ecological sustainability, and the creative revivification of postindustrial ruins. Yet, the park is also attracting growing criticism for its role as an engine of gentrification, neoliberal urban renewal, and urban branding. Responding to these issues, this lecture considers the ways in which the High Line’s “slow landscape” simultaneously interrupts and accelerates urban flows and mobilities. The result, I argue, is an aesthetic form of implosion and introspection in which the park diverts resources and attention from other spaces of renewal and contributes to broader patterns of emptying and shrinkage. This is what I call the “High Line effect” and it marks the retraction of contemporary cities into spaces of increasingly concentrated capital and spatial division. conference Bernard Woeffray, Nyon. Bernard Woeffray (1956) est né à Sion. Il est géographe diplômé de l’Université de Fribourg, Ingénieur civil HES. Il a été Chef du service de l’aménagement du territoire du Canton de Neuchâtel et directeur du RUN Réseau Urbain Neuchâtelois jusqu’en 2010. Il a également travaillé de nombreuses années en tant qu’aménagiste au sein du bureau URBAPLAN. Il est actuellement le Chef du Service de l’Urbanisme de la Ville de Nyon. Il a rejoint le Forum transfrontalier en 2008. intervenant La décroissance dans l'ex-Allemagne de l'est, a l'exemple de les villes nouvelles. conference Federico ZANFI Milano Nato nel 1978, sono un architetto urbanista. Ho studiato architettura in Italia e in Spagna e mi sono laureato al Politecnico di Milano nel 2003. Da allora ho preso parte a diversi progetti di ricerca sulla città contemporanea – tra cui, assieme all’agenzia Multiplicity, Solid Sea 04:(M)RE-Tourism, presentata presso la Fondazione Tàpies di Barcellona nel maggio 2004, e Borderdevice(s): Gibraltar Case, presentata presso la Fondazione Telefonica di Madrid nell’aprile 2005 – e ho lavorato come assistente all’università in corsi di Progettazione Urbanistica. Nel 2007 ho conseguito il dottorato di ricerca in Progetti e Politiche Urbane e ho iniziato a lavorare come docente in corsi di Progettazione Urbanistica e Progettazione del Paesaggio al Politecnico di Milano, oltre che come tutor del Master in Urban Management and Architectural Design presso la Domus Academy. Nel 2008 ho curato e allestito – con Giovanni La Varra, Marti Peran e Filippo Poli – la ricerca/mostra Post-it City, un’indagine sulle forme temporanee di spazio pubblico, prodotta dal Centro di Cultura Contemporanea di Barcellona e poi ospitata a Lille, Santiago de Chile, San Paolo, Buenos Aires, Madrid. Oggi lavoro come ricercatore presso il Dipartimento di Architettura e Studi urbani del Politecnico di Milano. Il mio percorso di ricerca si muove tra esperienze di descrizione e interpretazione dei processi di trasformazione della città contemporanea ed esperienze di progettazione architettonica e urbanistica. In particolare mi sto concentrando sulle trasformazioni “dopo la crescita” di vari contesti insediativi italiani, indagando la città abusiva nel Mezzogiorno, i territori della città diffusa al centro e al nord del paese, e gli ambienti di vita dei ceti medi in alcuni dei maggiori centri urbani. intervenant Quando «un nuovo ciclo di vita» non si dà. Fenomenologia dello spazio abbandonato e prospettive per il progetto urbanistico oltre il paradigma del riuso Il nostro paese attraversa oggi una fase distante da quella che fino al recente passato ha ampiamente condizionato il progetto urbanistico. L’ipotesi di questo paper è che molti degli edifici oggi sottoutilizzati e abbandonati porranno forti resistenze a un progetto di riuso. Sarà necessario ripensare il ruolo dell’azione urbanistica, che dovrà orientarsi non tanto verso una prospettiva di ricomposizione, quanto verso la definizione di modalità di convivenza con tali forme di abbandono. Journal Name: Archivio di Studi Urbani e Regionali, vol XLV, n. 109, pp. 28-47 Publication Date: Dec 2014 conference Massimo VISONE Naples Massimo Visone teachs History of Architecture at the University of Naples Federico II. His researches focus on architectural and urban history, with a special interest in representation and transformation of garden, landscape and cities. Visone’s publications are included in national and international peer review magazines, he collaborated and collaborates with national and internationl institutions, such as the Ministero della Giustizia and the Italian Ministries of Justice and of Heritage and Cultural Activities, Istituto Italiano di Scienze Umane, Università di Padova, Bauhaus-Universität Weimar, Universidade de Santiago de Compostela and Haute École du Paysage, d’Ingénierie et d’Architecture de Genève. Massimo Visone has been in the Committee of IV International Conference on Mediterranean cities in transformation. Identity and image of the urban landscape between 18th and 19th centuries, he promoted and co-edited exhibitions on modern architecture, urban and landscape iconography. He edited the Italian publications The metropolitan area of Naples. 50 years of utopias dreams realities (Rome, 2010), and Damn listings. Protection of contemporary architecture (Turin-London-Venice-New York, 2012) and is author of the book Naples «a big Theater of Nature» (Naples, 2013). intervenant From Capital City to Metropolitan City. An historical point of view about Shrinking Naples The lecture aims to illustrate the reaction of the city of Naples to a continuous and sinuous movement of growth and shrinkage. The study starts from a historical point of view that intends to interpret the phenomenon in relation to the development of urban and regional infrastructures in progress since some decades. Neapolitan shrinkage is reflected on the explosion of its suburbs and the current establishment of the Metropolitan City of Naples. Naples served as the capital city of the Kingdom of Naples (Kingdom of Two Sicilies after 1816) between 1282 and 1861. Until the beginning of the 17th century, Naples was Europe’s largest urban area, and the setting for the sharpest of social contrasts. The city was also home to the greatest European concentration of churches and palaces, with an abundant clergy and an elevated presence of religious orders, some of whose convents and monasteries were organized like true islands within its urban fabric. A vast number of ministers, meddlers, and underpaid soldiers, the latter clustered in the Quartieri and frequently in conflict with the local population, combined to make Naples “the richest and most vicefilled city there ever was in the whole world”, as Miguel de Cervantes described it: a social magma, as unstable as the lavas of Vesuvius, at constant risk of unrest thanks to the inefficacy of its numerous justice tribunals. After the unification, Naples was the fifth European city by population after London, Paris, Madrid and Vienna, but unfortunately the city was in a deep social and economic crisis, having lost its capital role. conference The city initially was the subject of urban-scale interventions that changed the relationship between the city and its local context, while during the World War II, Naples was the most-bombed Italian city. Since the 1980s, the city has constructed a large business district, and has developed an advanced transport infrastructures, and an expanded the subway network, which is planned to eventually cover half of the region. Today is the third-largest municipality in Italy, after Rome and Milan. As of 2014, less than 1 million people live within the city’s administrative limits. The Metropolitan City of Naples has a population of more than 3.5 million, and is the 9th-most populous urban area in the European Union. Around 4 million people live in the Naples metropolitan area, one of the largest metropolises on the Mediterranean Sea. conference Mosè RICCI Gênes Emeritus of Italian Art and Culture since 2003, Mosè Ricci is Full Professor of Urbanism at the University of Genova and contract professor of Landscape Architecture at the University of Trento. He graduated in architecture in 1982 at La Sapienza University of Rome (Italy). Full Professor (2001) at the Pescara School of Architecture (Italy). In 19961997 he was Fulbright Recipient and Visiting Scholar at GSD, Harvard University, USA, (1996-97) Visiting Professor of Sustainable Urbanism at Universitad Moderna de Lisboa (2006-2007), at Technische Universitat of Munich (2008-2009) and of Advanced Urbanism at IAAC, Barcelona, Spain (2015). Since 1999 he is member of the Scientific Board of the Villard International Seminar and since 2004 of the Villard International Doctorate. He has been member of Italian Society of Urban Planners Steering Committee (2003-05, 2007-11). Since 2010 he is member of the Mies Foundation Mediterraean Program Board. He was member of the Scientific Committee and curator of the Urbanism and Landscape section of the international exhibition Recycle, Strategies for Architecture, Cities and Planet (MAXXI. 2010-12). Since 2013 he is scientific responsible for the University of Genoa of the National Funded Research Recycle Italy. In 2012 he has been ranked in the top 100 World Educators by the Cambridge Institute. He gave lectures or was keynote speaker in several universities such as: LAU Byblos (Lebanon) IAAC Barcelona (2014), Liebnitz University Hannover (2013); OSU Columbus Ohio (2013); GSD, Harvard University, (2013, 1997); Tulane, New Orleans, (2013); KSU (Cleveland, 20112010), ETSAB (Barcelona, 2010); TU Munich, (2010-11), Kionggi, Seoul (2009); University of Sao Paolo (2008); UM, Montreal (2005); School of Enviromental Design, Waterloo (1996-97); BTU Cottbus, (2000); Weissensee Berlin (2001). Editor of BABEL international series of books (2000-2007 Meltemi publisher and 2010-2012 List publisher) he is author of several books, such as: New Paradigms (List, 2012), UniverCity (List 2010), iSpace (Meltemi, 2008), RISCHIOPAESAGGIO (Meltemi, 2003).His projects with RICCISPAINI firm have got several prizes in international competitions and have been exhibited in the Biennale of Venice in 1996 and in 2012. intervenant The recycle paradigm [Learning from Detroit] Detroit could be considered the operating manifesto of the new urban condition in the Western World. It is possible to use it as a point of reference or as a case study to focus on or - better - to learn from. In Detroit, at the end of the last century, something crucial happened to the western metropolis future. More than 320,000 jobs were lost between 2001 and 2008, and about 57% of the population having left the city from 1970, and 25% in the past decade. Detroit no longer expresses a traditional urban figure. In Detroit the “Modern City” is dead, with the economy that molded its spaces. Detroit is the American Pompeii. In the space of just a few years its population fell from 1,850,000 to 740,000, more than 2,000 buildings were knocked down, resulting in the abandonment of the center for an area with an approximately eight-mile radius that is glaringly evident. Nevertheless, more than ten years later, something is happening. As a result of the crisis of the economy that had generated it, the Fordist metropolis of Detroit has been forced to think about the problem of its survival and its fate. And Detroit is slowly finding another dimension. New urban materials are taking the place of the traditional urban figures and they give the ruins of this Fordist city back to narrative and nature by transforming Detroit into the real first post-metropolis. The movement from landscape, as a way of measuring (a territory), to a system of values (a landscape) is the conceptual basis and the general goal of the most interesting projects and events that are happening in Detroit. Reduction, reuse and recycle seem to be the only sustainable social strategies capable of expressing innovation, of generating consensus and producing beauty in the cities in the age of the crisis. conference Juan Hevia Madrid hevia & associates, is an architecture Spanish company, based in Madrid and La Rioja. Developing architectural and urbanism projects since 1992, however our main experience, beside designing processes, is the capacity of both integrating and coordinating multidisciplinary teams. Our work encompasses cultural and offices, residential and commercial, interiors and landscape, furniture design and historic preservation, with a focus on a comprehensive approach to design, from a sustainability, viability and energy efficiency priority. This range of scales includes urbanism and city planning, building and urban infrastructures, interior design and urban design; and naturally construction itself, where ideas are transformed into reality. Our combined experience includes work in Germany, Middle East, Portugal, Turkey and Spain. Collaborations with other architects and designers make the practice an open venue capable of adapting to different strategies and local cultures. This design + built activity is enhanced by a dedication to academics, with the principal teaching at local universities. intervenant …4 hours from Madrid… S=v.t? berlin… beirut… istanbul… denizli… jaen… vitoria-gasteiz… logroño… How should we proceed? different ways of shrinkage... Human scale Definition of the human been. Dimensions Human develops... Human uses... Relation of dimensions Space of relationship What is it needed? Human been walks…Plane flies...Car runs What should it be desirable? Distances... A city for walking or running? Size? Small cities or sum of neighbourhoods conference Jacques LEVY Lausanne Jacques Lévy est professeur ordinaire de géographie et d’urbanisme à l’École polytechnique fédérale de Lausanne. Il y dirige le Laboratoire Chôros. Ses centres d’intérêts principaux sont la théorie de l’espace des sociétés, notamment au travers de la géographie du politique, des villes et de l’urbanité, de l’Europe et de la mondialisation. Il s’intéresse à l’épistémologie et aux méthodes des sciences sociales, avec une attention particulière pour la cartographie et la modélisation. Il travaille à l’introduction des langages non-verbaux, notamment audiovisuels à tous les niveaux de la recherche. Il a réalisé en 2013 un long métrage, Urbanité/s, qui se veut un manifeste pour le film scientifique. Il a été chercheur au CNRS (1984-1993), professeur à l’Institut d’études politiques de Paris (1989-2007) et professeur à l’Université de Reims (1993-2004). Il est professeur invité à New York (NYU), Los Angeles (UCLA), Naples (IUO), São Paulo (USP), Mexico (Cátedra Reclus), Sydney (Macquarie University) et Bergame, fellow au Wissenschaftskolleg zu Berlin (2003-2004). Il est codirecteur de la revue de sciences sociales en accès libre spacesTemps.net. Il codirige la collection L’espace en société aux Presses polytechniques et universitaires romandes. Il est conseiller scientifique de la revue Pouvoirs Locaux. Il est membre du jury du Grand Prix international de l’Urbanisme (Paris). Il collabore avec plusieurs journaux et chaines de radio et de télévision en France et en Suisse. Il a publié en français, en anglais, en italien, en allemand, en espagnol, en portugais, en russe et en hongrois. intervenant Après l’urbanisation, l’urbanisme. Coproduire l’urbanité dans un monde totalement urbanisé Les réflexions sur « la ville qui rétrécit » portent souvent sur des cas spécifiques (crise industrielle, effondrement d’États, déficits démographiques), peu représentatifs du monde urbain contemporain. Par ailleurs, la perspective plus générale de la « décroissance » présente des faiblesses intellectuelles et des risques politiques qui en affaiblissent la portée. Cependant, ces approches posent, indirectement, une question stimulante: qu’en est-il de l’urbanisme lorsque l’urbanisation absolue (le « remplissage » de villes à partir de la nonville) est achevée? Ce n’est pas un problème académique, puisque, en effet, le Monde se dirige à tout vitesse vers l’accomplissement total de ce type d’urbanisation. Désormais, l’urbanisme ne pourra plus être pensé comme production réactive, fondamentalement technique, de bâti, mais comme agir volontaire et complexe, partagé entre urbanistes et habitants, ajoutant la dimension de l’expérience à celle du projet. conference Charline SOWA Grenoble Charline Sowa, doctorante en architecture, architecte-urbaniste. Laboratoire Métiers de l’Histoire de l’Architecture, édifice-ville-territoire (MHAevt) structure : ENSA Grenoble / Université Grenoble-Alpes Architecte-urbaniste de formation, Charline Sowa réalise depuis janvier 2013 un doctorat en Architecture au sein du laboratoire MHAevt (Université Grenoble-Alpes/ENSAG) après avoir excercé en agences d’architecture et d’urbanisme en France et à l’international. La recherche se porte sur la pratique du projet architectural et urbain dans les villes en décroissance pour réinterroger le rôle de l’architecte face aux nouveaux enjeux urbains de ce début du XXIe siècle. Ce travail est permis grâce à un contrat doctoral du Ministère de la Culture et de la Communication (France) et à une bourse de mobilité, Explora’Doc, de la région Rhône-Alpes. En parallèle, elle enseigne à l’ENSA Grenoble (France). intervenant La shrinking city a-t-elle une forme ? Discussion autour du concept et de ses spatialités. Les concepts de décroissance urbaine et de shrinking city (traduit en français par ville décroissante et ville rétrécissante) sont aujourd'hui largement débattus dans les recherches en sciences humaines (géographie, aménagement du territoire, urbanisme, économie, sociologie, sciences politiques, etc.). De ces débats ont émergé plusieurs définitions laissant une marge de manoeuvre large dans l’interprétation de ces concepts, mais les chercheurs s'accordent tous autour d’un indicateur commun : le déclin démographique. Nous pouvons également constater que les définitions proposées sont d’ordre quantitative plus que qualitative. En effet, il y a une absence d’indicateurs concernant les spatialités du processus alors que pourtant, ce sont des aspects qui peuvent marquer profondément le paysage urbain (ex. : bâtis, parcelles et espaces publics abandonnés) et sur lesquels travaillent l’architecte, l’urbaniste ou encore le paysagiste. Dans le cadre de ce séminaire, notre communication visera à ouvrir le débat sur la place des indicateurs spatiaux dans les concepts et leurs définitions. Nous mettrons, en parallèle des définitions actuelles, les termes utilisés pour décrire les phénomènes spatiaux liés à la décroissance urbaine qui illustrent aussi bien un changement de statut des sols (ruralisation, désurbanisation, etc.) qu’une nouvelle forme urbaine (ville réduite, ville perforée, donuts, etc.). Nous montrerons ces phénomènes spontanés de reconfiguration de l’espace urbain à travers différents cas à différentes périodes de l’Histoire. Ceci nous permettra de faire le lien avec les questions aujourd’hui posées sur les territoires impactés par la décroissance, leur maîtrise du processus et leurs capacités d’explorer de nouveaux modèles urbains. conference Mark MICHAELI Munich Architect (dipl.arch ETH, ETH Zurich). Chair for Sustainable Urbanism TU München (Full Professor), since 2010. Visiting lecturer at University of St.Gallen, since 2009. 2001-2010 Lecturer at ETH Zurich. 2009-2011 SEC Scientific Coordinator, Future Cities Laboratory, Singapore. Publications on topology of urban structures, shrinkage and demografic change, urban metropolitan regions and strategies for urban and rural regions. Contribution to international research programmes like Netzstadt, Zwischenstadt, Urban Switzerland 2050 and Climate Change, Open City, Urban Age and conception of european research initiatives like KIC Climate Change and horizon2020. He is advisor to governmental agencies, scientific advisor to universities and national research agencies, german academy of urban and spatial planning, academy of rural space (presidency). Since 1995 practise in urban design and architecture (since 2008 based in Zurich). Main fields of research: Sustainable Urbanisation and Transformation Strategies and Designs for the Metropolitan Peripheries. Urban Regional Integration of Large-scale Infrastructures. Conversion and Cultivation Strategies. Long-term Tools for Urban Reconstruction, Transfromation Strategies. Urbanism of the Hinterlands, Infrastructure Urbanism. Redevelopment of Rural Areas, Peripheral Spaces and Pericentralities More information: http://www.land.ar.tum.de/index.php?page_id=62 intervenant Exploring sustainability strategies for the metropolis and its hinterland. Shrinkage a task for research and education Challenge: A fundamental transformation of planned and unplanned forms of urbanisation processes has been observed in recent years. In widely diverse areas, an urban landscape has emerged, revealing forms decisively different from any seen before. Today’s complex polycentric urban regions functionally and spatially stretch from metropolitan suburbia and their infrastructures far into rural or alpine areas. The peripheral elements of these functional systems are of particular interest. While some hub cities worldwide are trying to respond to global and local challenges, their surrounding regions, historically their functional hinterlands are increasingly under threat. Certainly: Massive investments have been poured into e.g. infrastructural projects in the past, connecting the peripheries better to the centralities in the system. But only a few regions with specific locational advantages (e.g. for tourism) were able to ward-off demographic challenges and population decline, as no strategies and business cases for the management of structural shrinkage or stagnation has been developed yet. It seems essential today to intelligently question and reintegrate urban and rural local economies and to reconstruct regional expertise necessary for rebuilding efficient, resilient and more sustainable villages, cities and regions. The socioeconomic and spatial transformation processes arising from this situation can be seen as an opportunity to upgrade long neglected or low-value urban structures and move towards a quality development of the urban and the surrounding landscapes. conference Particularly in demand in shrinking and stagnating areas are urban and landscape reconstruction and operating strategies and designs that enable a new balance between the physical space and active participants to be involved in the transformational process and develop ideas for urban reconstruction from the resources available. Such strategies building on specific local talents and opportunities are considered “sustainable” or “resilient”, since they initiate a (daily) socio-economic process that is able to sustain itself. Which operative urban resources are available for initiating a transformation process in the given urban situation, especially in stagnating or shrinking environments? How can they be activated and deployed in the redevelopment processes and within a strategic planning process? Which particular spatial constellations (typology and topology) can be identified as conditions conducive to urban quality? Which urban designs and strategies can intelligently inform development and transformation processes? The lecture presents and discusses exemplary references identified in research and teaching at TUM and also gives insight into a number of projects developed at the institute, proposing practical answers to these questions for how the problem can be grasped and the challenges be dealt with, and: in how far, we as architects and urban designers/planners can contribute to the debate with our specific ability of envisioning and designing space. conference Eric Alonzo Paris Éric Alonzo est architecte DPLG et docteur en architecture. À l'École d'architecture de la ville & des territoires à Marne-la-Vallée, il dirige avec Frédéric Bonnet un post-master en urban design – le DSA d'architecte-urbaniste – et dispense, en dernière année de licence, un cours magistral sur l'histoire des infrastructures. Il est membre de l'Observatoire de la condition suburbaine où duquel il assure, avec Sébastien Marot, la direction éditoriale de Marnes, documents d'architecture. Après avoir fait paraître un ouvrage sur la généalogie du rond-point (2005), il prépare actuellement par la publication de sa thèse consacrée à « L'Architecture de la voie ». Par ailleurs, il dispense le cours d'histoire des espaces publics à l'École nationale des travaux publics de l’État et intervient régulièrement à l'École nationale de la nature et paysage de Blois ainsi que dans la formation des architectes-urbanistes de l'État (École des Ponts ParisTech / École de Chaillot). En 2008 et 2009, il fut chargé de mission au ministère de la Culture, au sein du Bureau de la recherche architecturale, urbaine et paysagère, au sein de la cellule scientifique opérationnelle de la consultation internationale du Grand Paris. intervenant L’avenir piranésien des shrinking cities Les grandes infrastructures de transports passent, à juste titre, pour les emblèmes de la croissance urbaine triomphante des trente glorieuses. La condamnation virulente à l’encontre de la présence excessive de l’automobile en ville va aujourd’hui jusqu’à susciter la destruction ou l’enfouissement de certaines autoroutes urbaines. La réalisation de ces chantiers titanesques d’effacement est rendue possible par une certaine abondance financière. De même, seule une dynamique de croissance permet encore de dilapider l’énergie grise contenue dans ces ouvrages massifs. Dans les shrinking city et les territoires décroissants, cette doctrine serait donc inopérante. À l’inverse, il est même fort probable que ces infrastructures d’un autre âge perdurent et deviennent des monuments du paysage de la déconcentration. Au fur et à mesure de la dissolution de leur fonction initiale, elles acquerront paradoxalement une présence matérielle accrue, à l’instar des aqueducs antiques ruinés qui hantaient la Rome de Piranèse ; ceux-là mêmes qui avaient servi, au XVIIIe siècle, la régénération de la théorie architecturale. Aujourd’hui, une manière de projeter la décroissance serait ainsi d’envisager la reconversion des infrastructures urbaines au moyen de transformations minimales, suivant les perspectives ouvertes par Kevin Lynch qui s’interrogeait dans son livre posthume : « What can be done with freeways after the automobile age ? ». conference Angelus Eisinger Zürich / Hambourg Professeur, Docteur, 1964 Aménagement et Urbanisme historiens , professeur d’ urbanisme et de développement régional de l’Université du Liechtenstein , professeur ETH Zurich . Engagé dans la recherche , l’enseignement et les publications ayant des problèmes d’architectes plus jeunes , le développement urbain et spatial . Consultance et le concept de travail dans les compétitions de la planification et des études de planification. Fields of interest: contextual analysis of urban planning Since 2013 Director of the RZU (Regional planning of Zurich and its surroundings 2008-2013 Professor for metropolitan history and culture at the HafenCity University in Hamburg 2003-2008 Professor for Urban and regional planning at the Hochschule Liechtenstein 2002 Habilitation at the ETH 2010-1995 Lecturer at the Department for Architecture at the ETH Various books on urban planning issues. Consultant in urban design and planning projects. Scientific expert for the Swiss Pavillon at the Biennale in Venecia 2010. intervenant Urban crisis as laboratory for fundamental innovations in planning Shrinking contexts make drastically aware of the blind spots and dead ends of conventional urban planning. At the same time as recent experience shows they work as a fascinating laboratory for surprising approaches to planning issues. The talk is based on an international survey on recent innovative urban planning developments in Europe organized by the RZU. It produced a broad range of projects in urban design, public space, landscape planning and urban development projects that were able to establish novel trajectories of transformations in their specific contexts. Thorough comparative analyses of these successful planning approaches provide empirically based insights into the multilayered prerequisites urban planning has to address in order to influence urban change. conference Michael Jakob GENEVE hepia jointmaster of architecture Michael Jakob enseigne la théorie et l’histoire du paysage à hepia, Genève et il est professeur invité au GSD de la Harvard University. Sa recherche porte principalement sur le paysage, l’esthétique, l’architecture et la perception. Il est le fondateur et le directeur de la revue internationale Compar(a)ison ainsi que des collections “Paysage” (Infolio Editions) et “di monte in monte” (Tarara’ Edizioni). Parmi ses publications les plus récentes: Le Paysage, Infolio, Gollion 2008. Le jardin et les arts, Infolio, Gollion 2009. 100 Paysages, Infolio, Gollion 2011. Mirei Shigemori, Tarara’, Verbania 2012. Asp Landschaftsarchitekten, Infolio, Gollion 2012. The swiss touch in landscape architecture, Tarara’, Verbania 2013. intervenant La "ville rétrécissante" : un nouvel enjeu de la pensée architecturale contemporaine Par Charline Sowa Formé et habitué à penser le projet dans un contexte en croissance, l'architecte se retrouve pourtant de plus en plus face au processus inverse : la décroissance urbaine (ou rétrécissement urbain), plus connue sous le terme anglophone d'urban shrinkage. En effet, un très grande nombre de villes (ex. : Detroit, Saint-Etienne, Gênes, Leipzig), voire des régions entières (ex.: l'Allemagne de l'Est, la Roumanie, le Japon), connaissent ce processus. Les causes sont multiples et complexes, mais les indicateurs de cet état sont identiques partout : une décroissance démographique plus ou moins intense (taux / durée), qui accompagne très souvent un déclin économique, politique, ou social. L'impact spatial n'est pas à oublier et devient l'un des indicateurs les plus perceptibles par l'homme au quotidien. On voit s'opérer un processus d'évidement spatial, de perforation urbaine à grande échelle par le départ des hommes et des activités. La décroissance urbaine, considérée plus comme un maux de la ville par la société que comme un processus d'évolution naturel, a pourtant marqué toutes les grandes périodes historiques mais sa présence est sans précédent depuis la seconde moitié du XXe siècle. A partir des années 1970, de nombreux de travaux ont été réalisés sur le sujet par des équipes pluridisciplinaires et internationales, mais l'attrait par les architectes est encore émergent. Il a été facilité en parti par la publication d'ouvrages et la réalisation d'une exposition en 2006 par le groupement international Shrinking Cities coordonné par l'architecte allemand Philipp Oswalt. textes Face aux enjeux actuels sur la fabrication de la ville en ce début du XXIe siècle, porter un attention particulière au territoires en décroissance, ces contextes extrêmes au devenir incertain, permettrait d'enrichir les débats et de s'interroger sur notre pratique d'architecte aujourd'hui. Cette condition nous implique de repenser nos savoirs, nos méthodes de travail, et nos outils de projet. L'observation précise de ces territoires décroissants par l'architecte devient nécessaire et son regard spécifique permettrait d'apporter de nouvelles connaissances. A partir de l'hypothèse que penser les villes rétrécissantes serait à l'origine de l'élaboration de nouvelles pensées architecturales (nouveaux langages architecturaux, typologies et formes urbaines) et de nouvelles formes d'habiter les territoires par l'homme (spatiale et temporelle / mode de vie / adaptabilité), une étude comparative de projets urbains en territoires décroissants sera réalisée. Les projets choisis, théoriques comme réalisés, se trouveront dans des tissus urbains différents (centre-urbain, pavillonaire, bourg rural) pour montrer la diversité des terrains auxquels nous pouvons être confrontés et révélant les friches de demain. En parallèle de l'étude de cas français (Saint-Etienne, Livradois-Forez), nous observerons d'autres expériences dans deux contextes étrangers, précurseurs en termes d'initiatives locales et de politiques urbaines : l'Allemagne (Halle-Neusdat, Dessau) et les États-Unis (Detroit). Une série d'entretiens d'architectes viendra alimenter le discours textes Inert Cities Globalization, Mobility and Suspension in Visual Culture Edited by Stephanie Hemelryk Donald and Christoph Lindner A Collection of Abandoned Cities and Suburbias The term ‘ghost town’ conjures haunting images of abandoned buildings from another era, empty streets and personal possessions that never began. From the Unites States to China, these images capture the eery reminder of a possible future (or past civilisation) abruptly ended. Their abandonments have occurred through various means of natural or manmade disasters, war, economic or financial loss, a failing industry or inadequate planning. Mojave Desert City, located in California: The 1950s and 1960s represents an ambitious era for developers. In 1958 developer, Nat Mendelsohn purchased 80,000 acres (320 sq km) of land in the Mojave Desert. Today, the Majave Desert City is an empty mirage of suburbia; a “failed utopia” that was intended to rival Los Angeles. Mendelsohn designed, developed and named a vast network of streets to support a city to rival Los Angeles. Mendelsohn’s dream faded quickly and though California City is the third-largest city by area in California, it is home to just 14,000 people who live in the south west corner of the city. Soon it may no longer be a ghost town, Atlasobscura notes it is currently the 12th fastest growing city in California. Lehigh Acres, located in Florida: Lehigh Acres also began in the 1950s and remained empty until the housing boom hit Florida. Lehigh Acres was founded in 1958 when Chicago businessman Lee Ratner needed a tax shelter. He had sold his pest control business, and he faced the possibility of losing most of his earnings to high capital gain tax. Ratner bought and began developing 18,000 acres (73 km²) in Florida. Lehigh Acres boomed in 2003 but crashed once again by 2007. 90% of Lehigh Acres remains vacant, many of the homes are foreclosed and sit empty or incomplete. In 2011 Lehigh Acres was named one of the “World’s Eeriest Abandoned Places” by Travel + Leisure magazine. textes Environa, located in Australia: The city of broken dreams is not just an American phenomena. Established in 1924, Environa located in NSW, Australia was the vision of Henry Ferdinand Halloran. A stone entry arch was constructed as well as roads, ornamental pillars and bandstands, but the Great Depression put the awaiting city indefinitely on hold. No housing plots were ever sold. Pripyat, located in Ukraine: The above cities capture economic failure, Pripyat however, captures evacuation through man-made disaster. Pripyat was established in 1970 however in 1986 an explosion from the Chernobyl nuclear power station released large quantities of radioactive particles into the atmosphere. From 1986 to 2000 over 350,400 residents were evacuated and resettled, a new city called Slavutich was constructed specifically to replace and rehouse many residents. During the accident 31 people died while the long-term effects of cancers and deformities are still being accounted for. Residents took nothing and so the city to this day remains frozen, capturing the moment in time when tragedy stuck. Sewell, located in Chile: Cities throughout history have also been established for industry and may subsequently become abandoned when that industry dies out, the most common are mining cities that are evacuated when the mine is exhausted of resources. Sewell, located in Chile perches on a peak in the Andes Mountains. Nicknamed “The City of Stairs,” the layout was inaccessible by vehicle. The town containing houses, hospitals, service departments, playgrounds, plazas, shops and social venues was founded in 1904. By 1920 15,000 residents occupied Sewell, by 1977 most residents had evacuated and large parts of the town were demolished. In 1998 the Chilean Government declared Sewell a National Monument. The UNESCO designated it a World Heritage Site in 2006. Today remaining buildings are filled with sand. textes Villa Epecuen, located in Argentina: Other towns vanish through natural climatic conditions, the Villa Epecuén was a tourist village located in the Buenos Aires Province of Argentina. The town was built on the shores of Lago Epecuén, a lake with salt levels 10 times higher than the ocean and was well known for its therapeutic power. To support the demand of tourism, Villa Epecuén reached a permanent population of 5,000 in 1970. In 1985 a long lasting wet weather condition caused an enormous volume of water to instantly submerge the town under 1.2 meters of water, over the years to follow the town became fully submerged under 10 metres of salty ocean water. In 2009, the water began to recede. Today the city is covered in salt and has a lonely population of 1; 81-year-old Pablo Novak Kowloon Walled City, located in China: Other cities remain perpetually incomplete. The Kowloon Walled City was a densely populated, largely ungoverned settlement in New Kowloon, Hong Kong. The history of the city can be traced back to the Song Dynasty (960–1279), when an outpost was established to protect against pirates. By 1987 the city had a dense population of 33,000 residents. Over time the city became the most dense city in the world and degraded into a “city of sin”, devoid of government or law. Floors were constructed on top of buildings until they reached over ten stories, and residents created a labyrinth of stairs and walkways above the street that enabled them to travel from one end of the city to the other without ever touching ground. Eventually, natural light could not penetrate street level. The city was demolished and replaced with a park in 1993. Burning Man; the temporary “Black Rock City”, located in the Nevada Desert: Imagine a city with a population of 70,000 in the middle of the Nevada desert that is assembled and dissembled within a week, only to be reassembled the following year. Burning Man is truly a perpetually unfinished city, though many designers regard it as a paradigm for urban planning. The “Black Rock City” is organised in concentric circles, which are renamed each year in alphabetical order. These rings are bisected by radials that align with the numbers on a clock, making it simple to explain your location. textes The Phantom City, located in New York: Ironically, when you google the term “unfinished cities,” many of the resulting sites discuss New York City. How could such a thriving metropolis feel unfinished? The Museum of the Phantom City app for the iPhone depicts “the city that never was but could have been,” according to co-founder Irene Cheng, sort of an alternate future. Linda Bennett – archi-ninja founder and author http://www.archi-ninja.com/unfinished-cities-learning-from-failure/ textes NETZSTADT – THRESHOLD AND DYNAMIC SCALE Anssi JOUTSINIEMI Senior Lecturer Institute of Urban Planning and Design Department of Architecture Tampere University of Technology P.O.BOX 600 33101 Tampere Finland E-mail: [email protected] Mark MICHAELI Assistant Professor and Lecturer Institute for Urban Design, Network City and Landscape ETH Zürich CH-8093 Zürich Switzerland E-mail: [email protected] textes 1 INTRODUCTION Scale is probably one of the first concepts that students of architecture are faced with at the beginning of their studies. Yet it remains implicitly defined and the use various scales are adopted mostly via the practical learning period. Working with maps becomes almost unconsciously executed, and it is easy to forget how maps in fact eliminate a whole bunch of details in a straightforward manner. Adopting John Holland’s idea (1998), maps are considered among the earliest model-artefacts in human history. This brings into the front stage the essential characteristic of modelling: to talk about model is to talk about reduction. But when discussing on models the reduction itself is neither good nor bad, it just is the inescapable nature of it. Otherwise it would be just reflecting the idea of Jorge Luis Borges; the most accurate map is the target itself. The downside of this extreme accuracy is that it would loose most of the characteristics that in maps are found useful in a first place. When speaking of planning and urban design, which are after all authors’ professional targets, we can hardly avoid questions concerning maps and modelling in general. This brings us into several interrelated concepts that are unavoidable when dealing with issues of planning and which are adopted simultaneously with the predefined scales and practices. Maps are among the first models to be used in planning practice. Maps could be defined more precisely as scale models. In maps the reduction is done in a particular manner that binds the issue of scale into first related concept relevant to our paper. That is the concept of threshold. When focusing on maps, the threshold can be further defined as a perceptual threshold that in ordinary maps lies around 1 mm. This simply means that the size of a map determines the minimal size of features that can be presented in map. More broadly speaking the maps can be considered as simple spatial statistics that define the reference framework for a particular purpose. For any kind of statistic data acquisition the scale functioning as a reference framework is of utmost importance. Geographical Information System (GIS) applications have made selection and definition of reference parameters (partially) more dynamic. However, the definition of reference scales on the base of collected data could be achieved only to a very limited extent, by the introduction of auxiliary means such as distribution definition, distance or textes 1 accumulation threshold . Obviously some of the features that need to be present in a map lie beyond the threshold and need to be exaggerated for a particular purpose. A statue or a piece of artwork may be such an emphasized feature or even the entire road structure in for example in road maps. The effect of this basic reduction for urban analysis is nearly avoided in preliminary work of Netzstadt method by working with aerial photographs. Yet there remains an implicit threshold that defines the interpretation of photographs. What features are included and what are the excluded parts for territorial definitions? In that sense the threshold is not pretended to be avoided, but instead used as a creative part in defining the interpretation of existing urban structure. The structure that in many ways is very different from the structure that has been established in ordinary cartographical symbols. It is argued by Oswald and Baccini (2003) that the knowledge of the borders and context, i.e. the reference territory, is necessary to analyze the nodal fields of an urban system and thus make potential centralities or edge situations identifiable in complex structures like urban agglomerations. On the base of complementary morphological and physiological analysis, the Netzstadt model consequentially qualifies nodes and links, borders and scales as key elements of the urban network. They are represented by the architecture of the territory. On the basis of the distinct set of indicators of the Netzstadt method, territories are analyzed and translated into an abstract model, which makes it possible to identify and evaluate the elements of the net. In terms of targeted strategies a structural analysis of the system context and key data is followed by an abstraction of the characteristics of the complex system into an adapted model setup, which does not ignore important information about structural layout of urban form. A reversed approach starting from the identification of the elements of the net, which could be able to define the perimeter of the associated territory and by that the nodal field in an unambiguous manner is not yet available. This approach is based and justified on insight that nodal fields of higher scale 1e.g. see definition of “settlement territory” in French (Frankhauser 2004) or Finnish (Huhdanmaki et al. 1998) land survey. Both define agglomeration as a group of buildings that don’t exceed a maximum distance of 200 metres between neighbouring units. textes levels could not be represented (simplified) by the sum of the nodal fields on lower scale levels due to the disregard of emerging characteristics as a typical feature of complex systems. The aim of this paper is to illustrate how these implicit characteristics of scale, threshold and hierarchy affect to entire planning practice and discuss the alternative modelling approaches to overcome this shortage. < Figure 1 : Example of nodal fields on regional, communal scale level, Swiss Lowlands (Wiggerstadt region). Zoom in to nodal fields of lower scale hierarchies is indicated by darker shading. (from: Oswald and Baccini, Netzstadt, 2003) 2 SCALES OF PLANNING In the European countries various models of organizational principles of planning institutions are in use. The aim of this paper cannot be to discuss the specific characteristics of each planning system into detail, although some general statements on principle agreements and differences in these systems are unavoidable. The observations of resulting procedures and products in the form of urban projects could shed light on the meaning of hierarchies and scales in the various approaches to planning as a discipline. As a matter of principle the organizational structure of the planning apparatus follows the general administrative structure of the state. Hence, it is not surprising that planning authorities in federative states are structured differently when compared to the way they are organized in established centralized systems. The ratio of top-down- to bottom-up-activities differs noticeably, even though that does not mean that subsidiary organized systems also make use of classic centralistic planning instruments and vice versa. The fragmentation into various levels of planning competences demands a distinct border established between several administrative authorities or planning institutions on the one hand and a set of comparable procedures of survey and controlling of planning activities on the other. Only via this division into multiple parts, the planning system is capable of acting within their assigned competences and in bilateral agreements with other planning institutions on the same hierarchy (Sieverts et al 2005). In countries which lack of this harmonization of instruments or competence (e.g. Switzerland on the regional (cantonal) scale) collective planning processes supported by multiple planning entities are marginal phenomena. Challenged by this need of simplification most of the administrative units (states, departments, cantons, communities, etc.) established competence and financing of planning tree-shaped organization principles. By this standardized means easy applicable procedures and compensation mechanisms could be enforced which controls an egalitarian distribution of urban equipment and infrastructure. At the same time the dwindling significance of public planning authorities with the increasing influence of particular stakeholders to planning processes unwanted consequences are encountered. Especially in the developing metropolitan regions in Europe the planning system seems to loose its capacity to act, since it does not reflect the needs of actual planning tasks in its structures and by this it is forced into a certain paralysis. 3 CENTRAL PLACE THEORY The traditional division of planning tasks into separate scales (national, regional, municipal, local) is reflecting this kind of crisp, predefined hierarchy. The scales on the other hand are more or less arbitrary. From the dawn of the central place theory it is known that there is a great interdependence between scales of urban clusters – large means few. The simple models based on economics of scale are capable of explaining these hierarchies. Hierarchy and scale are concepts that are in fact convoluted in such a way, that implementations tend to circularly reflect original prejudices. When stepping out from this predefined activity-based hierarchy, that have become a normative planning principle, the reasoning has to be found elsewhere. One of the most influential theories concerning the urban structure and the underlying notion of most of the existing institutional systems in planning in Middle and Central Europe is the central place theory introduced by Walter Christaller (1933) and later refined by August Lösch (1954). The need to harmonize the planning structures in the multitude of different administrative structures inherited from the German Länder, which formed the German Reich since 1871, was the motivation of Christaller. It led to the development of a model which overrode the traditional administrative division of southern Germany and was instead based on the existing physical structure of the urban network. Thus the system of central places formed a useful base component in the reorganized administrative structures in Germany, which controlled the distribution of limited resources for the post-war reconstruction process and the later expansion of the infrastructural networks. The most striking feature of Christaller’s theory is the penetrating initiative of strict hierarchy of a physical structure. The theory has a background in scale economies and can be seen as a simple extension of market-area analysis. (O’Sullivan 2000) A simple central place model can be derived from different sized market areas of various industrial goods and the law of demand. The model results three well recognized characteristics that we know from urban economics and location theory. First notion derived from the simple economic rules is that the overall structure creates high diversity and scale economics centralities. Second notion is that large centres are rare in number. Third is that agglomeration is divided into different scaled shopping paths. Even with few relaxing assumptions for the theory of simple central place model we get results that preserve the hierarchical formations that largely resemble the real world urban agglomerations. The most convincing empirical evidence of this penetrating hierarchy created by economic forces is the rank-size rule of cities (also called Zipf’s law). Yet there are some quite heavy assumptions in defining the border that is considered to be urban, more important in issues for planning practise are faced when talking about the very nature of this hierarchy. 4 EXPLAINING THE HIERARCHY If the approaches in central place theory taken into the concept of hierarchy vary from descriptive to normative, a slightly more prescriptive approach has been taken by Batty and Longley, when they try to get a hold on multiple scale levels of urban form. The writers argue that hierarchies “are basic organizing devices for describing and measuring the importance of urban functions across many spatial scales” (1994, 47). They reflect the idea of urban agglomeration as nested systems described in the now modern classic text of Brian Berry (1964). In contrary to strict, non-overlapping hierarchy, that characterises the central place theory in regional level and which was also the target of Alexander’s manuscript “A City is Not a Tree”, Batty and Longley (1994) use the notion of scale explicitly to reveal the presumed hierarchy of urban structure. These propositions seem to be found behind several of the most recent studies of urban morphology. There is already unarguably strong evidence that urban form retain significant constancy in terms of space filling by size and scale. (Batty & Xie 1996, Frankhauser 2004, Humpert et al 2002) This geometric feature of selfsimilarity or self-affinity through the scales is popularly known as fractality. The morphological property of fractality seems at first sight self-evidently refer to multi-scalar processes that can be found behind central place theory and urban economics. Yet by taking a more closer look some inconsistencies are to be found. Despite the evident fractality of some urban formation, it remains uncertain why not all the cities are fractal even though they can be described on bases of similar formation conventions. The fractality itself is sufficient but textes not a necessary condition of hierarchy in the traditional sense and thus the concept of hierarchy moves to centre stage. In that sense the fractality seems to be an external morphological description and incapable of explaining the hierarchy of some internal process. Benguigui et al (2000) have in fact stated that the previous studies on fractality actually only point in direction that the fractal growth has entered the game only in some late stage of urban development. In that sense the evidence collected on fractal urban form indeed requires a notion of ‘richer order within a hierarchy’ as pointed out by Batty and Longley (1994). Moreover that is true because even completely random, stochastic processes have a capability to create fractality as well. (Kaye 1989) With all these notions of hierarchy mentioned above one cannot really differentiate whether existing urban hierarchies in urban form are the cause or effect. The scale and hierarchy seems to be ‘the reverse side of the coin’. For planning purposes that is crucial. All that can be concluded from these various concepts of hierarchy is that there is some sort of continuous path from‘smallness’ to ‘bigness’ with intermediate steps. What it doesn’t say is where these sizes come from. Marshall has made an additional remark that it is necessary to understand the hierarchy. It is not only a continuity of scales, he creates a hierarchy, but how those scales are related in a particular way. (Marshall 2005) The hierarchy creates complete continuity only through the upper end of a scale and removing this part causes discontinuity that breaks the hierarchy as a whole. In this paper the hierarchy is understood as a specific relation that is created via a particular centre, concentration, hub, node or what ever, this serves as a reference entity for parts that do not exceed that level. However the authors’ feel that there is great disperse of opinions in the field of planning what really are the parts that actually form the hierarchy of urban structure. The rupture that has emerged in hierarchy of traditional urban centres has in fact made the hierarchy non-existent. 5 THE CONCEPT OF SCALES IN THE NETZSTADT MODEL The identification of scale in the Netzstadt model is carried out on the base of defined physiological and morphological indicators. While the morphological indicators induce the hierarchy by morphologic analysis via the implicit notion of scale, the physiological indicators are based on the explicit notion of threshold that defines the hierarchy of the nodal structure. Within the group of the four basic elements (nodes, connections, borders, textes scales) of the net in the Netzstadt method, the term “scale” is of particular importance. The morphological and physiological indication of nodal fields needs a clear definition of the scale level as reference parameter. By keeping the general principles of the indicators for each scale level specific sets of integrated subjects of analysis exist. Although the general definition of the term “territory” is based on the unambiguous classification of territorial types (simplified) of the Swiss Topographic Survey, the Netzstadt method proclaims (on the background of complex systems) the dissimilarity of the territorial types on the various scale levels. Territorial types of a certain order can contain various territorial types of inferior scale levels. For the analysis of the infrastructural networks, this conclusion is of crucial importance. Their structures, which evolved over generations, could not be described in a sufficient way by only naming the group, category or typology, to which the elements belong to. The administrative classifications were developed to link certain technical characteristics, like capacity of each single part of the network, but not to qualify the network as a whole. The organizational principle of the configuration of accessibility network does not represent the actual reality of the formal structure. On one hand the natural growth of the cities contradict this tree-shaped hierarchical model, since the urban development is driven by non-co-ordinated individual decisions even in lower levels of hierarchy. On the other hand higher requirements of redundancy (in the case of partial failure) of a network lead to manifold branching and shortcuts in the net. Recent studies already elaborated on the difference of model abstraction and planning reality (Michaeli 2004). However the overlapping of scales does not lead to an indistinguishable homogenous structure, but to one which is hard to grasp with the common perception of “scale”. Therefore the Netzstadt method reverses the idea of the scale level and follows the morphological indication of the accessibility by the analyzing the topological depth of node structure. This concept allows developing the idea of dynamic scale, deriving from the specific configuration of the urban fabric. The categories (catE) of accessibility suggested by Oswald and Baccini (2003) do not refer to administrative or territorial scales, to which other tolls of the methodology refer to as reference parameter. Rather an operation is proposed, which starts from any point of the network, and from this perspective is able to evaluate the extent of the specific frame of reference. This links the structural characteristics of the net to a new definition of scale within the methodology. The documented Netzstadt study by Oswald and Baccini does not go further into detail of this relation. 6 HIERARCHY OF MOVEMENT The morphological classification of infrastructural network implemented in Netzstadt model only provides limited insights about the accessibility to the network. This is because accessibility is not only regulated by the hierarchy of the last connecting branch, but is highly dependant of configuration of the whole of the network. The predominant majority of the entities connected to the urban networks are of local scale nature, while at the same time also regional activities fluxes can emanate from these elements. To make a sufficient description of the position and context in the network, all possible connections (starting from any point within the network) should be evaluated to a topological depth, which could be identified on each scale by a characteristic path length. Though the single information for each path does not seem to be very productive, the superposition of the collected data could provide useful information on concentration and clustering of scale-related types of linkage and connection. Thus by indication of accessibility the nodal fields of specific scale levels could be identified. To understand the relation to movement patterns a short note on the different nature of general typologies of infrastructural networks should be added. In terms of configuration, networks which provide a constant and continuous supply of goods, in which the user decides for usage frequency, duration or intensity (in which the physiology is mainly based on the individual demand), e.g. water supply, telecommunication networks, individual traffic, etc., differ dramatically from others which provide a service on the basis of a set frequency or only within specified time-spans, like public transport systems, educative programs (schools) or distribution systems such as mail service, etc. In a hierarchically differentiated net both types map to fundamentally dissimilar organizational principles, scales and patterns. By empirically testing these namely configurational properties that an urban flow network can make available, we intend to show that the hierarchy of street and road classifications and design principles have lead to new kinds of collective dynamics determined by the structure itself. The road structure defines a new centrality phenomenon that can be expressed with indicators of topological depth. (...) textes 9 SOME EMPIRICAL TESTS Focussing on only one type of network, for example the one which represents individual traffic, one can observe, that by modifying the typical path length (and by that the scale level), the nodal fields, which indicate areas of concentration and densification start to relocate in the network. This can be stated as topological characteristics of these kinds of networks. In the majority of cases the biggest movements can be found at medium range characteristic path lengths, which mark the transition from local or communal to regional scale. It seems that the configuration of the nodes of various scales alter in an identical physical form of the network. Further it is of interest, that the concentrations on inferior scale levels could not be found self-evidently in the larger scales, nor can they be identified as parts of bigger nodes. In the multiplicity of various coexisting networks with custom characteristics this leads to a multiple of overlapping scales that are very difficult to handle in hierarchical planning apparatus, as it is organized in many European countries. To avoid inaccuracies in the analysis an almost continuous and fine graduation of the values of characteristic path lengths was tested. By comparing various case studies the general observations on topological behaviour of the observations could be proved. The comparison of these case studies also showed, that a universally applicable absolute value for the characteristic path length could not be set, since it is highly dependent of the metric extent of the network and its meshes. Therefore, the small meshed network of the metropolitan regions could not be compared to rural networks or other typologies of networks. Further research on the topology and metric of these networks should be done to define suitable thresholds. The analyses shown in Figures 2 and 3 follow the general pattern of previous analyses done in Helsinki metropolitan region by Joutsiniemi (2002). Different modes of transport seem to benefit from different kinds of topological centrality radii and the accessibility landscape differentiates accordingly. This is especially clear in the Tampere case where the dendric structures of local residential areas are highlighted in small radius of analysis. The areas suitable for more traditional activities are shown at intermediate level and large scale retailing and logistic activities as the centres of the most global radius. 10 DISCUSSION The hierarchy and scales in Netzstadt model are interrelated via morphological and physiological indicators. Even though it seems not to be textes the original meaning of indicators by Oswald and Baccini (2003), the indicator structure seems complex enough to re-evaluate the elementary concepts of Netzstadt model. For this it is important to realise how the hierarchies are created through these indicators. The used physiological indicators are based on the explicit notion of threshold that defines the ‘bigness’ of nodal structure - the hierarchy that is. On the other hand in morphological side the hierarchy is introduced via explicit notion of scales that also define quantifiable differences for various locations. By implementing the arbitrary scale concept used for example in analysis of fractality it is possible to explore distribution of urban indicators across the scales. The traditionally fractality measures are used for Boolean property of occupied/unoccupied land-use with arbitrary cellular metrics. (Frankhauser 2004) On the other hand by changing the metrics from crow-fly distances to cumulative accessibility or pure topological distances alternative regularities of structure are found. What counts is the scale of reference that is relevant for indicator in terms of configuration and phenomenon correspondence. In Netzstadt model of Oswald and Baccini this scale of reference was set for an upper level node. The analysis in this paper suggests that there is a need to ease the scalar requirements of a node definition. Via this redefinition scale becomes a reference framework for a phenomenal threshold to be used by the side of indicators. Morphological analysis is performed by utilizing the dynamic reference frameworks of various phenomena and becomes building blocks of a nodal structure. Through the access graph as it is shown in this paper or it can be built from other measures of technical neighbourhood of morphological units. The indicators are only dealing with different morphological units very much similar way they are implemented in the original model scheme. Buildings are the units of granularity index, plots those of shredding index, and road segments of accessibility accordingly.1 The depth or the size or reference framework only differs from one indicator to another and is based on relevance defined by the dynamic scale. From the four basic elements of Netzstadt the concept of a node seems to be the most fundamental. It can be seen as a first level aggregate that is created according to specific framework that the planners are only for the sake of convenience called the scale. We claim that by combining explicit 1 In fact a single morphological unit may be nearly anything from the more traditional morphological entities discussed in here to routes (i.e. ‘arteries of motor-based movement’) suggested by Stephen Marshall (2005) or to axial line (i.e. ‘episodes of pedestrian movement’) and convex urban space (i.e. ‘rooms of control’) used in Space Syntax. textes concepts of connections and scale it s possible to simplify the model structure significantly. Moving them into implicit properties of indicators (as it is done when introducing the indicator of topological depth) it is possible to build node fields in an analytical way and come up with unbiased model where modeller’s prejudices are not reflected in the modelling result. 11 CONCLUSIONS As an addition to and beyond the classical rating of location qualities, the proposed technique place emphasis on the dynamic evaluation of net structures. By the assessment of the existing urban structure the topological qualities of determined locations in the various specific scale levels are evaluated. Recent studies by Joutsiniemi (2002) have shown that urban interventions driven by corporate stakeholders often make use of analogue procedures, to confirm the locations of e.g. stores or logistics hubs in the network, formed by the accessibility to the clients or potential customers. The planning authorities could benefit from the proposed methodology, since it should provide an indication of optimization potential inherent to the existing structure. This is of relevant importance, since we have to face the situation, where we have to deal with a diminishing budget to be invested in the qualification or maintenance of the infrastructural network by the public authorities. Even worse, observable processes of stagnation and shrinkage of urban population in some agglomerations already make it necessary to discuss the conservation or even the deconstruction of obsolete infrastructure which can no longer be maintained. Admittedly the proposed approach, as the actual built urban structure does (especially in polycentric metropolitan agglomerations), diverge from the typical layout pattern of planning authorities’ competences. First, the identified perimeters rather frequently cross the borders of existing legislative units and second, there is a differentiated hierarchy of competence handling each class of elements of the network. In the past, local and regional authorities (featured with a high grade of autonomy, but limited to their competence), have tried to marginalize planning phenomena, which could not be influenced by them. On that account a plenitude of unnecessary, inefficient and redundant infrastructural equipment accrued. A second spatial effect was the concentration of essential, but undesirable infrastructural construction along the edge of the administrative units, which lead to a belt of undefined, shabby space, lacking urban as well as landscape qualities. These spaces hinder the overcoming of the borders and thus the better interconnection in between two or more units. On the other hand these areas, yet carelessly handled provide textes new opportunities for the planning, which should be made available for a future development. Grasping these options some local authorities have started to gather in regional pressure groups regulated by bi- or multilateral contracts, without having yet developed means to discover the potential of the urban structure beyond administrative classification. By referring to the specific existing structure the submitted tools could either help to find solutions, which are reconcilable or even better, detect opportunities to strengthen the network functionality by giving up certain elements and connections. With the tools introduced in this paper the authors want to contribute to this development process to open up a new field for future planning practice. textes © Jean-Christophe Bardot/Le Bar Floréal. Another vision of the suburbs Jean-Christophe Bardot & Laurent Devisme & translated by Oliver Waine It is often said that the French suburbs – the banlieues – get a bad press; what is more rarely pointed out is that urban spaces in general are often portrayed in a poor light, even though certain links can be made between these two phenomena. In both cases, raising the issue of the media visibility and impact of images is a necessity for urban researchers. First, because it is important to highlight the ways in which media images are made in order to defuse their effects, which are as powerful as ever; it would, however, be something of a shortcut – and, for the most part, inaccurate – to insist upon a diametric opposition between representations and realities. The ideal and the material cannot be considered opposites, and “mental realities” are still realities that have practical consequences. From this idea, it follows that the imageability 1of territories is to be taken seriously and not as some sort of overarching “big-picture” vision. The imageability of a space refers to its connotations, to the fact that it is always more than a surface on which to project, and an actant of social histories. Spaces are, in themselves, already inextricably values; and in determining this “alreadiness”, images play a decisive role. 1 The word “imageability” is used here in a similar way to “representability”. textes © Jean-Christophe Bardot/Le Bar Floréal. The sensibility of “the other city” When Michel Lussault talks about a figurative urban crisis (Lussault 2007, p. 296), he does so in order to highlight, at the very least, a deficit, but often also negative images that form part of an “urbaphobia”, the sources and consequences of which historians have already extensively analysed (Baubérot and Bourillon 2009; Salomon Cavin and Marchand 2011). It is a regular feature in the mass media: notable examples include the issue of weekly cultural magazine Télérama devoted to “La France moche” (“Ugly France”, 13 February 2010), to which Éric Chauvier’s work Contre Télérama (2011) was a reaction; and, as early as 1996, Le Figaro launched a four-part investigation (24 June 1996) titled “La laideur aux portes de la ville” (“Ugliness on the city’s doorstep”). This has provoked numerous reactions: over the past 15 years, a sometimes enchanted imagery of the city’s edges has developed. The fascination for peripheral commercial spaces was palpable in the exhibition “L’autre ville. L’empire des signes” (“The Other City. The Empire of Signs”), organised by the French Institute of Architecture in 1997, which made use in particular of a semiological work on commercial signs, echoing the work of the same name by Roland Barthes. This exhibition was linked to the requirements of the call for research tenders on the theme of “La ville émergente” (“The Emerging City”). Although this period of urban research may seem distant, the importance of the aesthetic register in the debates that could be followed at the time must not be forgotten. For example, Paul Chemetov proposed “an aesthetic that provides the cultural packaging of the merchandise” (Urbanisme, no. 298, 1998, p. 37), while Bruno Fortier was opposed to the generic city of Rem Koolhaas. Two other research media of the period ought also to be recalled. The first of these is issue no. 35 of the journal TTS (Techniques, territoires et sociétés), which re-examined the emerging city. Geneviève Dubois-Taine, then director of the programme of the “Ville émergente” programme at PUCA 1, wrote: “While 90% or 95% of the population lives ‘well’ and pleasantly in their territories, this vast 1 PUCA – Plan urbanisme, construction, architecture – is an interministerial urban development, construction and architecture plan. textes © Jean-Christophe Bardot/Le Bar Floréal. majority is absent from the literature, ignored even; their points of view are not revealed” (p. 200). Though the desire to work on contemporary territories is not confined to the outer suburbs, the stimulus for such work often comes from these areas because of the existence of “a certain number of urban settlements, not totally planned by local authorities, which meet with very strong support from residents. Shopping centres, multiplex cinemas, out-oftown business parks and leisure parks are favoured by users. (...) The territories of contemporary practices are systems of places chosen by residents to enable them to lead their lives as they see fit”(pp. 201 and 203). The second research medium in question is very much a counterpoint to the first: in 1999, the journal Esprit published a special issue titled “Quand la ville se défait” (“When the city undoes itself”) and taking as its starting point the observation of the “failure” of the socialising function of the city, replaced by forms of affinity-based urbanisation on the edges of cities that are concerned with protecting their own members rather than including those on the margins. “The classic European city was marked by the class struggle symbolised by the opposition of the Versaillais and the Communards during the Paris Commune. Today, the ‘emerging city’ is an island within an island; the polis has very little to do with polemos” (Esprit, November 1999, p. 86). This special edition shows just how much the imageability of periurban areas was a sensitive issue at the turn of the 21st century. A mere 15 years on, few lessons have been learned from this crisis of figurability – as if the opposition between two “models” (the classic European city versus the emerging city) remains a valid framework, whereas it is in fact only (too) convenient! And yet the deployment of photographic images has become a considerable resource for those who seek to decipher urban areas. textes © Jean-Christophe Bardot/Le Bar Floréal. The renaissance of territorial photography Unprecedented in scale, this deployment is first of all that of aerial views of different territories (Monsaingeon 2013). “Double-clic”, the quasi-character directed by Bruno Latour (2012), here plays its role and creates the illusion for the web user of almost universal accessibility to the planetary space: all it takes is to zoom in or navigate on Google Street View to actually be there. The popularity of the photographic work of Yann Arthus-Bertrand and even Alex MacLean is another testament to this phenomenon, which tends to induce a contemplative attitude and reinforce those aspects that appear to refer to an ecological awareness (Devisme 2013). In any case, this trend clearly calls for photography to return to a human scale. But how should it be framed? What should be highlighted? Indeed, we are contemporaries to the development of what is almost an editorial line with regard to periurban photography. While it is true that “interest in the urban peripheries is a constant features of the poetic and photographic study of vernacular since the 1930s, with all the ambiguities that this notion generates when it is applied similarly to traditional forms of rural housing and industrial building standards,” says Jean-François Chevrier (2006, p. 123) regarding the importance of the territorial dimension in American photography. But more recently, since the Photographic Mission of the French spatial planning agency DATAR (Délégation interministérielle à l’aménagement du territoire et à l’attractivité régionale – Interministerial Delegation for Territorial Development and Regional Attractiveness) was initiated in the 1980s, the number of exhibitions and publications resulting from public commissions or the work of “independent” photographers has increased, resolutely putting urban issues on the agenda. © Jean-Christophe Bardot/Le Bar Floréal. The urban fringes as a photographic genre? The same patterns seemed to appear time and again, to such an extent that it was qualified – in a collective research project1 – as the manifestation of a sort of academicism: grassy foregrounds and periurban skylines on the horizon; the omnipresence of exterior views and the absence of views inside housing; a focus on incongruity; the reproduction of identical objects portrayed as a recursive mise en abyme... Furthermore, a contemplative perspective was frequently used to create distance, as if to avoid bringing those who view these photos too close to what actually goes on in the urban fringes. Our work led to the identification of a number of essential objects: the shopping centre, photographed from its outdoor spaces; infrastructure, viewed from the standpoint of its remains or in terms of spatial externalities; the suburban housing estate, stigmatised by the more or less standard and more or less tightly packed single-family homes, and sometimes even portrayed as a scale model full of little toy houses; industries and spaces dedicated to logistics that sometimes echo wastelands (alongside the planned spaces, there are certain indeterminate “outsider” spaces that are not included in future plans, and which consequently seem all the more to be vehicles of strangeness); and finally, the roundabout, that quintessential traffic management device, has also become a recurrent feature of periurban photography: often disproportionately dimensioned and the bearers of obsolete emblems of the towns and villages they dot, roundabouts have, in the space of a few years, gone from being the punctum to being the studium of many road layouts, to use Roland Barthes’s terminology (1980). 2 These themes can be identified in various series of photographs, and in particular those of André Merian (“The Statement”), Isabelle Hayeur (“Excavations”), Jürgen Nefzger (“Hexagone 1” and “Hexagone 2” 3), Stéphane 1 We refer the reader to the first chapter of a work we edited a few years ago (Devisme 2008) called “Greetings from Suburbia”. Contributors to this chapter include Arnaud Bertolotti, Anne Bossé and Guillaume Ertaud. 2 In Camera Lucida (La Chambre claire in French), Barthes highlights the punctum, denoting a wound or poignant detail or meaningful anecdote in a photograph that attracts our attention, which interferes with the studium, denoting the overall interpretation of a photograph or its application to a thing, or a general involvement in a particular domain. 3 Hexagone. 1995-2001. 1. Le paysage fabriqué and Hexagone. 2000-2005. 2. Le paysage consommé textes © Jean-Christophe Bardot/Le Bar Floréal. Couturier (“Landscaping”), Marc Räder (“Scanscapes”), Emmanuel Pinard (“Marne-la-Vallée” and “Périphérie”) and Denis Darzacq (“Nu” and “Hyper”) – a list of authors that is far from exhaustive and which should not mask important differences in terms of the approaches adopted. The point we seek to make here refers primarily to the relevance of using visual social-science practices that could create closer links between documentary photography and qualitative sociology closer together – two activities that share many qualities (Becker 2001), not least the fact that, in general, they allow for more detailed representations of territories. 1 were published in France in 2006 by Éditions Füdo. 1 Furthermore, the joint consideration of photographers’ and researchers’ viewpoints is at the core of an ongoing project within the LAUA (Langages, actions urbaines, altérités – “Language, Urban Action, Otherness”) research unit, called “Péri-ville invisible”, in response to the invitation to tender launched by PUCA titled “Du périurbain à l’urbain” textes © Jean-Christophe Bardot/Le Bar Floréal. The urban fringes captured: between real and unreal If we apply this approach to extracts from the series “En périféerie”1 by Jean-Christophe Bardot (of Le Bar Floréal), what observations and interpretations can be made? First, the space in these areas is more geometric, more optical. Periurban spaces are delimited by clean lines, indicating sites clearly and making crossings difficult2. In framing his pictures, the photographer even reveals a grid when overhead power lines are superimposed, obscuring the third dimension. This geometry emphasises another “quality” that permeates these photographs: order and tidiness. Here, nothing sticks out, creating spaces reminiscent of the kind of goodneighbour guidelines found at the entrances to many apartment blocks that discourage certain uses of spaces and emphasise codes of conduct – here as elsewhere, indeed, as this trend is by no means restricted to the outer suburbs! The geometric aspect is confirmed by the sharp shadows cast everywhere. We suspect that it is difficult to find shelter here (after all, who knows, a shelter could also be a possible den or a hiding place for a potential attacker). The heat is oppressive, even in a quiet little place like Le Bois-d’Arcy, in the far western suburbs of Paris, and the suggested atmosphere is redolent of certain scenes in Dog Days, Ulrich Seidl’s 2001 film that takes place in an Austrian suburb crushed by the summer heat. Second, the selection highlights a contrast of colours, which can also be found, of course, in work on strip malls and shopping centres, but which here instead focuses on the contrasts between the different materials used and in 1 A play on the words “périphérie” and “féerie” that could be approximately translated as “On the fairytale fringes”. 2 This is evoked particularly well in a scene from the film Le Grand Soir (Benoît Delépine and Gustave Kerven, 2012), when the two main characters, brothers, cut straight through a housing estate, jumping over hedges and fences, even cutting right through the houses themselves without stopping, suggesting to the terrified residents as they pass though what might perhaps have existed there before the houses were built. textes © Jean-Christophe Bardot/Le Bar Floréal. © Jean-Christophe Bardot/Le Bar Floréal. the boldness of signage. Materials are above all placed, rather than implanted, in their settings. There are no signs of anything being rooted into the ground here. The wood cladding has just been fitted, but it will soon be replaced; houses being built follow the tabula rasa principle; the terrace of the sushi bar, with its exposed aggregate concrete slabs (particularly resistant, it is true), will perhaps soon be a memory, as that even the temporary sales offices are already doomed to become wasteland. The idea of following the life cycle of building materials may be more promising1. Like some of the other photographic works mentioned above, Jean-Christophe Bardot’s work deals in simulacrum and seriality. One picture, for instance, juxtaposes a fantasy suburban hedge-enclosed “farmstead” with its real-life counterpart, of which only the roof is visible. Here, we are in the same domain as the credits of the television series Weeds, which frame and reframe the theme of reproduction and cloning (Bossé and Devisme 2011). We can nevertheless identify, to a certain extent at least, where we are: we are in Île-de-France – the Paris region – one minute on the run-down concrete deck of a new town, barely able to tell the front of the place from the back... then, without transition, transported to the “edges” of the region, where there are new areas to be cleared and urbanised, unless the pioneer front is reversed, transforming it into a paradise lost covered by suddenly invasive vegetation. Indeed, the relationship with nature is enlightening: nature is generally kept under control and, when it spills over, it is to threaten urbanisation, “regain its rightful place” in this wasteland of housing-estate sales offices. The artificialised face of nature par excellence is without doubt the “potted tree”, the complete opposite of the open ground. But it is the last extract from “En périféerie” that seems both the most ordinary and the most intriguing. It forms less of a tableau than the others, probably partly because we can see the raindrops on the camera lens, and because the drizzle creates a blurred quality that contrasts with the previous images. The bottled gas stacked in columns at the supermarket petrol station appears as a synecdoche of the distant suburbs, of those spaces that have no connection to the power grid. It is all too easy to imagine, on the very same car park, a tanker preparing to tour the 1 Take, for example, the work of Brussels-based collective Rotor, which in early 2013 exhibited a work in Montreal titled “Polyurethane”, which seeks to trace the use of expanded foam in the construction industry and in public works (Canadian Centre for Architecture (CCA), ABC: MTL exhibition). textes © Jean-Christophe Bardot/Le Bar Floréal. neighbourhood to fill up all the fuel tanks with ever cheaper heating oil before the winter comes... It is here that we find Deleuze, for whom “the imaginary is not the unreal, but rather the indistinguishability between the real and the unreal”(Deleuze 1990, p. 93). textes Conceptualizing urban shrinkage Annegret Haase, Dieter Rink, Katrin Grossmann Helmholtz Centre for Environmental Research—UFZ, Department for Urban and Environmental Sociology. Matthias Bernt. Leibniz Institute for Regional Development and Structural Planning. Abstract: Since the second half of the 20th century, urban shrinkage has become a common pathway of transformation for many large cities across the globe. Although the appearance of shrinkage is fairly universal—typically manifested in dwindling population, emerging vacant spaces, and the underuse of existing urban infrastructure, ranging from schools and parks to water pipelines— its essence is hidden from view. Phenomena related to shrinkage have been discussed predominantly using terms such as decline, decay, blight, abandonment, disurbanization, urban crisis, and demographic change. Amongst others, these concepts were typically related to specific national contexts, installed in distinct explanatory frameworks, based around diverging normative accounts, ultimately leading to very different policy implications. Yet there is still a lack of conceptualization and integration of shrinkage into the wider theoretical debates in human geography, town and country planning, urban and regional studies, and social sciences at large. The problem here is not only to explain how shrinkage comes about, but also to study shrinkage as a process: simultaneously as a presupposition, a medium, and an outcome of continually changing social relationships. If we wish to understand shrinkage in a specific location, we need to integrate theoretical explanations with historical trajectories, as well as to combine these with a study of the specific impacts caused by shrinkage and to analyse the policy environment in which these processes take place. The authors apply an integrative model which maps the entire process across different contexts and independently of local or national specifics; it covers causes, impacts, responses, and feedback loops, and the interrelations between these aspects. The model does not ‘explain’ shrinkage in every case: instead, it builds textes a framework into which place-specific and time-specific explanations can be embedded. It is thus a heuristics that enables communication, if not comparison, across different contexts. With the help of this model, the authors hope to find a way in which shrinkage can be studied both in a conceptually rigorous and in an historically specific way. Instead of an invariant ‘process of shrinkage’, they portray a ‘pluralist world of shrinkages’. textes Opening of the International Shrinking Cities Exhbition at the CUDC, 2007 (Jerry Mann) cities growing small Shrinking Cities Planning Challenges from an International Perspective Karina Pallagst Karina Pallagst is a Program Director with the Center for Global Metropolitan Studies, University of California at Berkeley. from Cities Growing Smaller published by Kent State University’s Cleveland Urban Design Collaborative © 2008, Kent State University 6 cities growing smaller textes Urban shrinkage is a multidimensional phenomenon encompassing regions, cities, and parts of cities or metropolitan areas that are experiencing a dramatic decline in their economic and social bases. The causes of this urban decline are many and complex, though one common denominator is that each “shrinking city” has been significantly impacted by the forces of globalization [Palagst, 2007a]. Despite the fact that globalization is a strong influence in producing shrinking cities, economic change does not affect all cities and countries in the same way. On the contrary, shrinkage can show very different characteristics depending on national, regional and local contexts [Cunningham-Sabot and Fol, 2007]. Moreover, there is no clear definition of shrinking cities, but rather a range of various interpretations of the phenomenon. Beno Brandstetter and his co-authors detect a wide spectrum of definitions, ranging from a natural growth-opposing process to decline with negative implications. Combining previous approaches, they further speculate that urban shrinkage is a cyclical process, embedded in a broader context of growing and shrinking [Brandstetter et. al., 2005]. Within US discourse, “shrinking cities” only recently cropped up as a new term in urban planning and development, often used in a similar way to “urban decline” [Grossmann, 2007]. The Shrinking Cities International Research Network (SCiRN) defines a shrinking city more precisely as a densely populated urban area with a minimum population of 10,000 residents that has faced population losses in large parts for more than two years and is undergoing economic transformations with some symptoms of a structural crisis [Wiechmann, 2006]. Shrinking Cities in Europe Despite the fact that changes in demography and urban density of cities occur quite regularly, the acceptance of the shrinkage phenomenon is low [Benke, 2005]. Yet urban shrinkage is not a new phenomenon. Urban shrinkage has taken place in Europe since the middle ages. The collapse of the Roman Empire, plagues, and agricultural crises all left their mark in the urban fabric [Benke, 2005]. These cities were never completely abandoned and usually resettled. Later on, cities were frequently hit by epidemics, war, and fire. With the textes 19th century, industrialization led to urbanization processes and drastic changes in settlement patterns all over Europe, creating larger agglomerations on the one hand, and shrinking cities or regions on the other hand. Further polarization set in with the building of railways. Today, the locales of shrinkage are the post-socialist countries (especially Latvia, Bulgaria, Romania, Hungary, Slovakia, and the eastern part of Germany), the northern countries (especially Finland and Sweden), and Southern European countries (in particular, Italy and Spain). The reasons for shrinkage in Europe are complex and partly overlapping. In the post-socialist countries, economic transformation led to shifts in settlement patterns caused by migration. (e.g. Eastern Germany). New economic migration usually occurs in favor of the capital cities, while remote and peripheral regions lose population (e.g. in Slovakia, Romania, Bulgaria). Many western European countries are affected by changing demographic patterns, such as a low birth rates. The Northern countries are still losing population in the rural and peripheral regions. Germany and Italy are affected by dramatically low birth rates, leading to city shrinkage on a larger national scale. Some of these developments are overlapping and thus increase the shrinkage problem. In Germany for example, population decline and economic transformations go hand in hand. Shrinking Cities in the United States When considering urban shrinkage in the United States, observations usually start with the post World War II era, the period when shrinkage of cities set in to a larger extent due to post-industrial transformations. Robert Beauregard’s research shows that only a few US cities lost population between 1820 and 1930. All of them were port cities heavily dependent on trade, and their decline was either affected by transportation decisions regarding the railway system or crises like fires or droughts [Beauregard, 2003]. As for recent shrinkage processes, the academic discussion has for many years concentrated on urban decline. This does not necessarily take population losses of the entire city (urban and suburban areas), or regional shrinkage into consideration, but addresses the consequences of urban sprawl. Correspondingly, planning responses have dealt primarily with revitalizing distressed city centers. Yet shrinkage in the United States occurs primarily in the context suburban development versus inner city decline. This pattern, called “hollowing out” or the “doughnut effect,” can be found all over the country. textes Despite the fact that the problems of shrinkage are found in a regional or urbansuburban context, American planning has been focusing on revitalizing the distressed inner cities for many years, as these are the places with the largest problems. Cities like Pittsburgh and St. Louis, which have had to cope with economic decline and large population losses, receive a significant amount of attention from the American planning community. Less attention is paid to the fact that there are large-scale areas that are shrinking, in particular in the Northeast/Midwest “Rustbelt.” A city-regional approach is also discouraged by the fact that inner city revitalization lies in the hands of specific organizations like redevelopment agencies, which are acting separately from planning departments. Multi-agency competencies make accounting for urban complexity more difficult. In the US, shrinkage can be part of standard post-industrial transformations, which are due to the decline of manufacturing industries, or it can be triggered by “post industrial transformations of a second generation,” which are connected to the high-tech industry (e.g. the dot-com bust) [Pallagst, 2007a]. Especially in the United States, urban planning often concentrates on either managing urban growth, or tackling redevelopment in a fragmented (non-regional) way—this despite the fact that shrinkage often occurs throughout an entire metropolitan region. The current discourse in urban and regional planning in the United States still shows a high affinity toward growth. Despite the increasing popularity of the revitalization approach, which is usually focused narrowly on city centers, there is little active discussion of shrinking cities [Pallagst and Wiechmann, 2005]. According to Beauregard, a focus on urban population losses and their consequences would form a counterpoint to the literature on urban growth. He refers to shrinking populations as a “stigma,” not fitting into the ideal of local decision makers [Beauregard, 2003]. However, there has been a ‘journalistic’ discourse on shrinking cities, as the press have been taking on the topic recently. This development has been fueled by an exhibition that has toured US cities, and a symposium on shrinking cities organized at UC Berkeley.1 Figure 2 depicts the most recent clusters of shrinking cities over 100,000 inhabitants in the United States in order of their population growth rate (ascending from slowest growth rate). Interestingly, among them is the San Francisco Bay Area, with Silicon Valley as a shrinking region. textes The main observations of shrinking cities researchers in the United States are the following [Pallagst, 2007a]: s 4HEPHENOMENONOFSHRINKINGCITIESISNOTONLYRELATEDTOTHEWELLKNOWNPOST industrial “Rust-Belt” examples, but other areas are affected as well. s 4RANSFORMATIONPROCESSESOCCURWITHINTHESPHEREOFLANDUSESHRINKINGAND growing are processes that can be observed in a parallel mode. Due to the overall population growth triggered by immigration, many cities in the US have to provide for redevelopment in shrinking areas and growth-related development at the same time. Unlike in old industrial regions of Europe, shrinkage in the US is usually taking place in the urban core, while the suburban region continues to grow. In fact, early processes of shrinkage of the 1950s and 1960s were triggered by suburbanization. The sprawl pattern led to dramatic losses of population in the city centers. The problems of derelict sites, vacancies and abandoned urban quarters are well known. Social consequences include poverty, segregation, and homelessness, which are happening to a much more dramatic extent in the United States than in European cities. Nevertheless, suburbanization alone does not account for shrinking in the United States. Economic transformation has led to out-migration of the workforce on a regional scale ever since the manufacturing industry went into a downward spiral, while new economic centers of service, high-tech, and recreation industries have boomed. textes The program targets housing vacancies that peaked at 14.9% of the housing stock at the end of the 1990s [Liebmann, 2007]. As a result, 190,000 housing units have been torn down. The pioneer in this development was the city of Leipzig, which developed the first strategic plan that followed the federal program Urban Renewal East, thus becoming a model for many other East German cities [Glock, 2005]. This drastic intervention in the urban housing markets was feuled by the fact that building associations owning most of the housing stock [Fuhrich and Kaltenbrunner, 2005]. Yet not all neighborhoods were able to have their share in the revitalization process. Heike Liebmann has observed a polarization between revitalized, high-in-demand areas and those that have problematic development perspectives. In the future, the program will place a stronger emphasis on urban quality aspects than on quantitative (tear-down) aspects, in an effort to achieve benefits for the entire city, not only individual neighborhoods [Liebmann, 2007]. Tracing an international discourse on shrinking cities While there is an extensive planning debate in some European countries about shrinking cities (e.g. Germany, the Netherlands, and the United Kingdom),2 the phenomenon has until now been overlooked in international comparative research. Moreover, although shrinking cities exist all over the world, there has not been much of an international discourse on the topic. German planners as the forerunners of the current shrinking cities debate are on the verge of developing a ‘German School’ on shrinking cities. However, for the most part, these discussions take place in German and are centered on a German epistemic community, with few or no links to scholars elsewhere. Problem-solving within national boundaries is typical for the shrinking cities debate and perhaps also for planning in general. Recent efforts are aimed at enhancing an international discourse on the topic of shrinking cities. Initiated by the visiting scholars’ roundtable at the Institute of Urban and Regional Development, University of California, Berkeley, an interdisciplinary group of research specialists from five continents has been dealing with shrinking cities in a global perspective since 2004. A comparative viewpoint is essential to the research because the phenomenon of shrinking can be noticed all over the world, albeit within different cultural and socio-economic settings. The starting point of the investigation is European discourse about shrinking cities, since in other areas—the US in particular—urban growth persists as the dominant planning paradigm [Pallagst, 2007a]. textes Paul Cotter, Gareth Morris, Heidi Rustgaard, Eike Sindlinger, Ulrike Steven, and Susanne Thomas, London Title: "COW - the udder way" Photographs of the performance in Liverpool, 2005 (c) COW - the udder way - team The “German School” on the of topic shrinking cities Post-industrial transformations have occurred in Germany since the 1960s and 1970s, mainly leading to the shrinkage of urban cores [Brandstetter et. al., 2005]. But shrinkage happened also on a larger scale. Most familiar are the economic downturns in the steel industry affecting the Ruhr Area, which is a region that has been in decline for decades. As for the urban planning discourse, as early as 1988, shrinking cities were identified as a new type of urban challenge with a profile to be distinguished from growing cities [Häussermann and Siebel, 1998], but this debate was not further elaborated until recent years. The situation of German shrinking cities was aggravated dramatically at the beginning of the 1990s. With Germany’s reunification, the former GDR joined a western European country, and a large-scale economic transformation of the eastern part of the country set in, leading to a high rate of unemployment (in many cities over 20%). The economic decline in this post-socialist phase led to a massive movement of population from east to west. Despite various discussions in the 1980s, dealing with shrinkage is considered a new development in Germany today [Brandstetter, 2005]. The basic trigger was the report of a commission on housing vacancies published in the year 2000, which received huge public attention. The planning debate for the East German Länder indicated a change in perspective about these areas, moving toward an urban development policy that actively addresses declining development on a long-term basis. This has led to a paradigm shift in urban planning and development in (eastern) Germany. Meanwhile, it is now general consensus that the topic of shrinkage has reached an unique status in German urban planning and research. Whereas population decline affects almost all eastern German cities, in the west it is a problem of specific cities and regions. However, despite the different dimensions in shrinkage, one shared trend is the ongoing demographic change of an ageing population and low birth rates. This problem will strongly reinforce shrinkage in the western part of Germany in the future [Fuhrich and Kaltenbrunner, 2005]. The latest trend in planning for urban shrinkage in Germany targets the large number of abandoned housing units in eastern Germany. Unlike the drastic revitalization procedures during the 1970s, when tear-downs were carried out in many cities, both in Europe and the US, this strategy is accompanied by revitalization, stabilization and beautification measures. Despite the fact that tear-downs have always been part of urban development, the 1970s procedures have left a stigma regarding this process [Fuhrich and Kaltenbrunner, 2005]. A framework for this strategy in Germany is the federal program “Urban Renewal East”, which comprises 350 cities. textes Bas Princen, photographer, Rotterdam Title: "After Planning #3" (Ivanovo) Photograph, color, 2003/04 (c) Bas Princen The program targets housing vacancies that peaked at 14.9% of the housing stock at the end of the 1990s [Liebmann, 2007]. As a result, 190,000 housing units have been torn down. The pioneer in this development was the city of Leipzig, which developed the first strategic plan that followed the federal program Urban Renewal East, thus becoming a model for many other East German cities [Glock, 2005]. This drastic intervention in the urban housing markets was feuled by the fact that building associations owning most of the housing stock [Fuhrich and Kaltenbrunner, 2005]. Yet not all neighborhoods were able to have their share in the revitalization process. Heike Liebmann has observed a polarization between revitalized, high-in-demand areas and those that have problematic development perspectives. In the future, the program will place a stronger emphasis on urban quality aspects than on quantitative (tear-down) aspects, in an effort to achieve benefits for the entire city, not only individual neighborhoods [Liebmann, 2007]. Tracing an international discourse on shrinking cities While there is an extensive planning debate in some European countries about shrinking cities (e.g. Germany, the Netherlands, and the United Kingdom),2 the phenomenon has until now been overlooked in international comparative research. Moreover, although shrinking cities exist all over the world, there has not been much of an international discourse on the topic. German planners as the forerunners of the current shrinking cities debate are on the verge of developing a ‘German School’ on shrinking cities. However, for the most part, these discussions take place in German and are centered on a German epistemic community, with few or no links to scholars elsewhere. Problem-solving within national boundaries is typical for the shrinking cities debate and perhaps also for planning in general. Recent efforts are aimed at enhancing an international discourse on the topic of shrinking cities. Initiated by the visiting scholars’ roundtable at the Institute of Urban and Regional Development, University of California, Berkeley, an interdisciplinary group of research specialists from five continents has been dealing with shrinking cities in a global perspective since 2004. A comparative viewpoint is essential to the research because the phenomenon of shrinking can be noticed all over the world, albeit within different cultural and socio-economic settings. The starting point of the investigation is European discourse about shrinking cities, since in other areas—the US in particular—urban growth persists as the dominant planning paradigm [Pallagst, 2007a]. textes Nikolas Brade, photographer, Halle Title: "Blick über das Mansfelder Land" / "View Over the Mansfelder Land" Photograph, 2002 (c) Nikolaus Brade This networked research will be vital in redefining land policy and regional governance for the international planning debate. Experiences and case studies from the US, Mexico, Brazil, Germany, France, United Kingdom, South Korea, Australia, and Japan are currently being investigated by an international team of researchers under the aegis of the Shrinking Cities International Research Network (SCiRN). The SCiRN network has established a web site3 and bi-weekly online discussions. The international discussion on shrinking cities is still an ongoing process. However, a first comparison reveals a multitude of similarities and differences. Further results were presented and discussed at several international occasions: a symposium at Dresden in March 2006, the World Planning Schools Congress in Mexico City in July 2007, and a symposium at Berkeley in February 2007. An in-depth case study analysis is currently provided by the shrinking cities network, and it will be developed further at future conferences of planners and urban geographers. The first results of this international research reveal that the location of shrinking cities varies from country to country. For example, whereas the United Kingdom shows a north-south divide with shrinkage in the northern parts of the country, France’s shrinking cities are located in the center of the country, away from European transportation networks [Cunningham-Sabot and Fol, 2007]. The east-west divide of German city shrinkage was mentioned earlier in this paper. In the United States, the Rustbelt cities are the most affected by shrinkage. Moreover, international comparison of shrinking cities reveals that there are different patterns of shrinkage on the level of the city. While in the US the pattern is usually a “hollowing out” of the inner city leading to the so called “doughnut effect,” [Pallagst and Wiechmann, 2005]4 other countries display different changes in the urban structure. For example, the Paris region has to face shrinkage in the outer suburban rings, which were the traditional locales of industrial development, while the core remains stable. Eastern German cities display a pattern of perforation, where shrinkage occurs in different areas throughout the city. Shrinking cities - a paradigm shift in planning? One dilemma of dealing with urban shrinkage from a planning perspective is that urban development is strongly interlinked with growth, leading to the perception of shrinkage as a threat or a taboo [Brandstetter et. al., 2005; Cunningham-Sabot and Fol, 2007]. Maintaining a strategy of economic growth with the aim of regaining population growth used to be the most common reaction of cities towards urban shrinkage, not very often leading to success. In challenging the predominance of growth as the normative doctrine in planning, Cristina Martinez-Fernandez and textes Project Office Philipp Oswalt, Berlin/Researcher Tim Rieniets, Tanja Wesse (graphics), Berlin Title: "World Map of Shrinking Cities 1950 - 2000" Graphics, 2006 (c) Project Office Philipp Oswalt Tong Wu ask whether shrinkage is a problem to be solved or an opportunity not to be missed [Martinez-Fernandez and Wu, 2007]. Manfred Fuhrich and Robert Kaltenbrunner advocate a new sensitivity in planning that relies on honesty when it comes to coping with future challenges of shrinking cities [Fuhrich and Kaltenbrunner, 2005]. Creating realistic visions for shrinkage on the scale of the entire city is the main planning strategy in eastern Germany, sponsored by the federal funding program Urban Renewal East (‘Stadtumbau Ost’). In other parts of the world, like the United States, this dramatic change in planners’ ways of thinking and acting is still quite unusual. Some cities have a more difficult time in adjusting their visions for growth to confront the reality of shrinkage. The United States example of Youngstown can be seen as an attempt of a shrinking US city to break with the existing growth paradigm [Pallagst, 2007a].5 In view of the traditional focus of economic and urban growth in the United States, it is still not clear if Youngstown will initiate a shift in planning trends that affects other cities as well. Conclusions In many European countries, processes of shrinkage go hand in hand with demographic change and a shrinking population. In the United States, processes of shrinkage are embedded in an environment of population growth. For this reason— and given the growth-oriented planning culture of the United States—a debate on urban shrinkage like the current European one is not in sight in the US. The question is whether planning will be capable of actively dealing with a topic that has been stigmatized for so long. Bibliography Beauregard, Robert A. (2003), “Aberrant Cities: Urban Population Loss in the United States, 1820-1930,” Urban Geography 24, 8, 672-690. Benke, Carsten (2005), “Historische Schrumpfungsprozesse: Urbane Krisen und städtische Selbstbehauptung in der Geschichte, in eds. Gestring, Norbert et. al. (2005), Jahrbuch StadtRegion 2004/2005 Schwerpunkt Schrumpfende Staedte, VS Verlag fuer Sozialwissenschaften, Wiesbaden, 49-70. Brandstetter, Benno et. al. (2005), “Umgang mit der schrumpfenden Stadt – ein Debattenueberblick,” Berliner Debatte Initial, 16/6, 55-68. Cunningham-Sabot, Emmanuele and Sylvie Fol (2007), “Schrumpfende Städte in Westeuropa: Fallstudien aus Frankreich und Grossbritannien,” Berliner Debatte Initial 18/1, 22-35. textes Florida,Richard (2002), “The rise of the creative class,” Washington Monthly, May 2002. Fuhrich, Manfred and Kaltenbrunner, Robert (2005), “Der Osten – jetzt auch im Westen? Stadtumbau-West und Stadtumbau Ost – zwei ungleiche Geschwister,” Berliner Debatte Initial, 16/6, 41-54. Ganser, Karl (1999), “Internationale Bauausstellung Emscher Park,” in Baierlorzer, Henry, Siedlungskultur, Vieweg, Braunschweig. Glock, Birgit (2005), “Umgang mit Schrumpfung. Reaktionen der Stadtentwicklugnspolitik in Duisburg und Leipzig,” in eds. Gestring, Norbert et. al. (2005), Jahrbuch StadtRegion 2004/2005 Schwerpunkt Schrumpfende Städte, VS Verlag fuer Sozialwissenschaften, Wiesbaden, 71-89. Grossmann, Katrin (2007), “Schrumpfung zwischen Tabu und Thematisierung,” Berliner Debatte Initial 18/1, 14-21. Häussermann, Hartmut and Siebel, Walter (1988), “Die schrumpfende Stadt und die Stadtsoziologie,” in ed. Friedrichs, Juergern, Soziologische Stadtforschung, Westdeutscher Verlag, Opladen, 78-94. Liebmann, Heike (2007), “Fünf Jahre „Stadtumbau Ost“ – eine Zwischenbilanz des Bund-Länder-Programms,” RaumPlanung 132/133, 131-134. Martinez-Fernandez, Cristina and Tong Wu (2007), “Stadtentwickliung in einer differenten Wirtlichkeit – schrumpfende Städte in Australien,” Berliner Debatte Initial 18/1, 45-60. Michigan Economic Development Corporation (2004): Cool Cities. http://www.coolcities.com: 20.10.2004. Pallagst, Karina (2007a), “Das Ende der Wachstumsmaschine,” Berliner Debatte Initial, 18/1, 4-13. Pallagst, Karina (2007 b), Growth management in the US between theory and practice, Ashgate, Aldershot. Pallagst, Karina and Thorsten Wiechmann (2005), “Shrinking smart? Städtische Schrumpfungsprozesse in den USA,” in eds. Gestring, Norbert et. al. (2005), Jahrbuch StadtRegion 2004/2005 Schwerpunkt Schrumpfende Städte, VS Verlag für Sozialwissenschaften, Wiesbaden, 105-127. Siedentop, Stefan and Thorsten Wiechmann (2007), “Zwischen Schrumpfung und Reurbanisierung – Stadtentwicklung in Dresden seit 1990,” RaumPlanung 131, 57-62. textes Rightsizing Shrinking Cities: The urban design dimension Chapter 14 in The City After Abandonment (editors Margaret Dewar and June Manning Thomas, University of Michigan Philadelphia: University of Pennsylvania Press, forthcoming 2012) Brent D. Ryan Department of Urban Studies and Planning, MIT [email protected] Recently urban policymakers have begun to make ”rightsizing” a watchword for the perceived mismatch between shrinking city populations, physical and infrastructural plants, and budgets. Built for a population in some cases over twice as large as that currently within the city limits, shrinking cities are now left with an unmanageably large array of streets, utilities, public buildings, parks, and housing. “Rightsizing” refers to the yet-unproved process of bringing cities down to a “right” size, meaning a size proportionate to city government’s ability to pay for itself. In practice, rightsizing has yet come to little in shrinking cities. In fact, no city in history has ever attained a fixed size, with unchecked growth the general pattern for cities from Victorian London to most of the developing world today. In the United States, decades of optimistic master plans have had little or no effect in reducing rates of population loss in deindustrializing cities such as Cleveland, Baltimore, or Philadelphia, all of which lost 25 to 60 percent of their populations between 1950 and 2010. Even in New Orleans, a city that had very good reasons to make deliberate decisions about where the city should and should not rebuild after Hurricane Katrina, political fears and widespread citizen opposition stymied rightsizing decisions. i Just as suburban developers resent planners’ proclaiming that they may not develop a parcel of farmland, residents of New Orleans resented that planners might transform their property or even their neighborhood into swampland. On the surface, then, “rightsizing” appears difficult if not impossible for shrinking cities in the United States. The term also remains somewhat meaningless, as neither scholars nor practitioners have textes Figures. All illustrations are by the author and Allison Hu. Figure 14.1. The Historic Industrial American City around 1950 thus far defined it exactly. What physical form and size should the city take after abandonment? What decisions should city officials make, concerning which aspects of the city should survive and who should live where? How much would rightsizing cost, and who would pay? Does an ultimate vision of the city guide rightsizing, or will policymakers simply follow immediate imperatives? This chapter will argue that scholars and policymakers should consider using an urban design vision, at least in part, as they plan for rightsizing. Though many shrinking cities began as unregulated industrial centers with little urban design, population decline and housing loss today present designers and planners with a new opportunity to shape a better physical environment in concert with these cities’ present economic and social needs. Given that many view the visual landscape of shrinking cities as their most striking and disturbing feature, ii urban design seems an obvious means by which planners and designers might reshape these cities after decline and, by extension, explore new forms of the ideal urban neighborhood and, perhaps, the ideal city. As abandonment of buildings and properties characterize shrinking cities, any urban design strategy for these places must contend with abandonment before all else. iii Abandonment in shrinking cities is problematic at multiple scales. While planners and others often consider abandonment at the individual scale of a single building or property, abandonment also occurs at the scale of the city block, neighborhood, and city as a whole, causing different problems at different scales. This section will consider each of these scales before describing city- and neighborhood-scale urban design strategies that might help resolve the problems of abandonment. iv The Physical Consequences of Abandonment In a shrinking city, abandoned structures and lots are serious problems, and confronting the abandonment of individual structures often demands a substantial amount of policymaker attention directed to shrinking areas. Recent citywide demolition programs such as Philadelphia’s Neighborhood Ryan, Rightsizing Shrinking Cities 2 May 2011 textes FLAG/Bastien Aubry, Dimitri Broquard, Zurich No Title Graphics, 2005 (c) FLAG Transformation Initiative and Buffalo’s “5 in 5” program (5000 housing units demolished in five years) act to clear derelict structures but use only individual dwelling criteria (structure condition) as a means of action. In the absence of spatial planning for shrinking neighborhoods and cities, city officials may make larger-scale assessments of abandonment only in a development-driven context, as when a proposal is imminent. Abandonment in shrinking cities could be just as frustrating as the policy-directed neighborhood demolition of the 1950s excoriated by Jacobs and other critics of urban renewal. v Abandonment in shrinking cities occurs on an undirected, piecemeal basis as individuals decide whether or not to remain in their homes. Understanding the piecemeal nature of the process provides the basis for understanding the urban design problems these places face. Because decline is episodic and scattered rather than neat and organized, a given shrinking-city resident in a deteriorating neighborhood may have only partial information about when and if an adjoining property will become abandoned. Episodic abandonment confronts individual residents with a pressing problem: since the status and condition of properties adjoining her house can shift, her home is vulnerable as well. On a block where owners abandon property piecemeal, block-scale stability becomes difficult, for once abandonment has progressed the majority of houses will adjoin an empty house or lot. As abandonment continues, the neighborhood loses the collective benefit of more concentrated housing, and each resident’s individual incentive to stop investing in his or her property increases. As abandonment progresses, individual lots become vacant in a generally scattered fashion. With a checkerboard pattern, up to fifty percent of properties might become vacant lots without any two adjoining ones becoming vacant. But real abandonment patterns do not mimic a checkerboard; a quick aerial survey of a place such as Flint, Michigan, indicates that remaining houses sometimes cluster and sometimes do not. Above fifty percent vacancy, blocks assume a pattern of desolation that becomes more apparent as this percentage increases. At around seventy or eighty percent vacancy, remaining Ryan, Rightsizing Shrinking Cities 3 May 2011 textes Figure 14.2. Patchwork Appearance of Shrinking Cities houses become islands in a sea of green. This pattern is most apparent at a large scale in places such as Detroit’s east side or the northern half of St. Louis. A scattered pattern of property abandonment with interspersed remaining houses persists even at high levels of vacancy. In Buffalo for example, except in blocks purposefully cleared by public action or through demolition of large, single-lot industrial buildings, some housing always persists. At the scale of five to eight blocks, no cluster of blocks in Buffalo was more than 71 percent vacant as of 2010. vi The persistence of inhabited housing even in mostly vacant areas helped defeat New Orleans’s nascent rightsizing proposals of 2006 and also confronts more recent efforts in Detroit. vii Even in a 90 percent vacant area, one resident’s wishing to remain in her home will require officials to condemn the property if they wish to make an entire block available for redevelopment and will complicate their efforts to withdraw city services. At a larger level, piecemeal, house-by-house abandonment leads to patchiness, where large areas of the city may have varying levels of vacancy, while other areas have only minimal vacancies or retain all their housing. Analysis of Buffalo showed that 50 percent of the city’s census block groups were at least 10 percent vacant, and that about 20 percent of those block groups (about 10 percent of Buffalo’s census block groups/total), were over 50 percent vacant. viii In Buffalo, and doubtless in other shrinking cities as well, vacancy ebbed and flowed across space in a pattern that was never neat, always irregular, always shifting, and always interrupted by remaining structures. Factors such as the presence of other vacant areas, stable or desirable areas of the city, historic industrial or low-income concentrations, and ethnic and racial patterns influenced vacancy patterns in Buffalo, but this relationship was never exact and was difficult to prove. Over time these piecemeal patches of abandonment tended to grow, spreading from high-vacancy areas into some but not all adjoining lowervacancy areas. ix The shift from an undifferentiated urban pattern to patchwork abandonment is evident in schematic form in Figures 1 and 2 and at a smaller scale in Figures 5 and 6. Ryan, Rightsizing Shrinking Cities 4 May 2011 textes (Figure 1 [historic shrinking city] about here) (Figure 2 [current-day shrinking city] about here) Reconnecting Urban Design with Social Policy Any move toward an urban design strategy for rightsizing shrinking cities will not be easy. Designers will not find a rightsizing vision encapsulated in past ideals of city form such as neatly bounded garden or radiant cities, nor in contemporary ideals such as neotraditionalism, “smart growth,” or landscape urbanism. These have little relationship to the novel physical condition of shrinking cities. Another challenge lies in the need for an urban design-based rightsizing strategy to reconcile differences between socially-oriented planning and urban design that have existed for decades. While many theorists have argued that design must necessarily consider political, economic, and social function, x integration has proven problematic in both urban planning and urban design. In planning--arguably beginning with urban policy initiatives in the 1960s such as conservation, community renewal requirements, and the Model Cities program, and conceptually advocated by Davidoff’s advocacy strategy xi -- a shift toward practice based in social science research and paralleled by traditional practitioners’ retention of land-use and urban redevelopment practice resulted in a profession more divorced from design than ever before. xii Similarly, architecture separated from social concerns in a close coincidence with the Nixon administration’s cancellation of Great Society urban policies. xiii After 1975, urban redevelopment in the United States consequently shifted from ambitious, modernist-inspired large-scale work promoted by the state to a more modest mix of postmodern design and nonprofit- or developer-driven projects. xiv Yet one may discern surviving links between innovative urban design and liberal social policies. These links have persisted since the end of the Great Society primarily through the works of committed Ryan, Rightsizing Shrinking Cities 5 May 2011 textes Figure 14.3. Conventional Redevelopment Strategies in Shrinking Cities: Subsidized Private Development Around Downtown and in High-Income Neighborhoods and Nonprofits’ Scattered Developments in Lower-Value, Higher-Vacancy Areas practitioners and policymakers. Beginning in the 1970s community organizing generated the occasional innovative design such as Villa Victoria in Boston’s South End that linked partially abstract Modernist architecture with social housing while respecting the urban design of its surroundings. xv In similar fashion, in the 1990s Philadelphia’s Office of Housing comprehensively redesigned the disinvested neighborhood of Lower North Philadelphia with moderate-density, low-income housing. xvi While design was not a signal feature of this project, Philadelphia’s ambitious planning approach was reminiscent of such signal accomplishments of the late Modern and early post-Modern eras as the Yorktown houses constructed from 1960 to 1970 in Philadelphia xvii and the St. Lawrence development of Toronto from the 1970s.xviii A recent urban design studio for the city of Buffalo replicated these combinations of innovative design and social planning. xix This studio showed that the city had sufficient Community Development Block Grant funding to construct large numbers of housing if city officials chose to prioritize construction over demolition and that urban designers had a range of design options available to relieve many of the physical problems afflicting shrinking cities, assuming a continued demand for new housing by low- and moderate-income households. The threads linking formally ambitious urban design to social action have become thin and frayed since the end of Modernism in the 1970s, but a renewed urban design agenda for rightsizing shrinking cities, if put into practice by committed policymakers, might begin to regenerate these threads. I propose that such an agenda be interventionist, critical, and benevolent in order to improve upon the modest and ineffective urban design strategies that shrinking cities are currently pursuing. Interventionist urban design is committed to large-scale, comprehensive action across a wide area of space. Such large-scale action by and in the public interest characterized high-quality urban renewal efforts such as Yorktown in Philadelphia, but since the end of urban renewal, interventionism in shrinking cities has been limited to occasional projects such as Philadelphia’s Poplar Nehemiah. Poplar’s chief planner John Kromer believed that only large-scale action could simultaneously demonstrate a Ryan, Rightsizing Shrinking Cities 6 May 2011 textes Figure 14.4. Strategic Interventions: New Neighborhoods in “Isolated” and “Connected” Areas political commitment to improving disinvested urban neighborhoods and achieve the public visibility to convince politicians of what Kromer called “neighborhood recovery.” xx Critical urban design questions existing modes of practice, such as the nostalgic bent of neotraditional urbanism, and projects innovative formal and social strategies to address new or emerging social needs, as Boston’s Villa Victoria and Alvaro Siza’s Quinta Malagueira in Evora, Portugal, did well, xxi and as late Modernist projects such as the New York Urban Development Corporation’s scattered-site Twin Parks Houses achieved a decade previous. xxii Critical urban design moves beyond conventional wisdoms to attain different configurations of spaces, buildings, and activities. Lastly, benevolent urban design is committed to acting in the interest of disempowered or under-served city residents ranging from low-income renters to members of the middle class. Benevolent urban design recognizes the needs of the least powerful amid more powerful urban residents. At the same time, a benevolent urban design philosophy needs to prevent the egregious stigmatization of the poor that occurred in Modernist urban designs such as mid-twentieth century public housing with large-scale, tabula rasa developments lacking any relationship to their surroundings. xxiii A renewed urban design agenda committed to critical and benevolent interventionism is more radical than it seems. Its “benevolence” frankly evokes the need for social justice, not always wellconnected to discussions of urban design. Fainstein’s call for a more “just” urban planning identifies only New Urbanism as a planning and design paradigm with potential for increased justice in the city. xxiv Yet New Urbanism’s relationship to social justice is questionable. New Urbanism’s most well-known involvement in low-income housing, the U.S. Department of Housing and Urban Development’s HOPE VI program beginning in the mid-1990s, dramatically reduced the number of low-income housing units. xxv HOPE VI’s New Urbanist design reduced the stigma associated with the distinctive High Modernist Ryan, Rightsizing Shrinking Cities 7 May 2011 textes Figure 14.5. Typical Neighborhood Prior to Decline towers of public housing, but it did so by accepting a substantial reduction in the number of units to house the very poor. Providing for society’s less privileged should not be an invisible project. Urban policymakers and designers should therefore use urban design as a vehicle to provide the rightsizing of shrinking cities with greater public visibility. Innovative spatial solutions to the longstanding problems of shrinking cities could help restore the weakened connections between urban design and social policy. Toward Patchwork Urbanism Historic photographs of industrial cities such as Detroit or Buffalo show a uniform carpet of nearly identical houses stretching toward the horizon. With the onset of population loss and housing abandonment, this formerly homogenous pattern (Figures 1, 5) has become a frayed and tattered urban fabric. Today, the cityscapes of shrinking cities resemble a patchwork of intact areas interspersed with declining areas of growing abandonment and with heavily abandoned areas (Figure 2, 6). Current de facto policies comprise a parallel patchwork of small-scale nonprofit-driven housing, market-rate housing in higher-income areas, and little or nothing in those areas with very high vacancy (Figure 3). In other words, shrinking cities lack a comprehensive urban design strategy to shape either their shrinkage or their growth. Almost twenty years ago, Philadelphia’s Office of Housing and Community Development recognized this problematic combination of individual building demolition, market avoidance of low-income areas, scattered nonprofit development, and lack of overall spatial planning in shrinking cities. xxvi (Figure 3 [conventional redevelopment patterns] about here) Ryan, Rightsizing Shrinking Cities 8 May 2011 textes Figure 14.6. Semi-Abandoned Neighborhood The patchwork nature of decline with vacant areas of different sizes and housing in various states of occupancy frustrates conventional urban design approaches such as New Urbanism or landscape urbanism that require large cleared areas of land. Such sites are rarely available even in deteriorated areas of shrinking cities. Conventional urban design also projects physical futures hardly compatible with the reality of shrinking cities. New Urbanism favors restored street networks with relatively high-density housing. In shrinking cities the restoration of the street and block fabric is possible in small quantities, but the weak real estate markets prevent a full-scale reconstruction of the past fabric. Full-scale rebuilding along New Urbanist lines is also conceptually illogical as historic fabrics in working class areas of industrial cities often lacked many contemporary amenities such as public space and diverse housing types. Landscape urbanism, a recent design movement with very different ideals than New Urbanism, promotes the somewhat paradoxical call to combine natural landscapes with precise, avant-garde design. xxvii This strategy generally operates best in large, discrete parcels of land with few structures, such as vacant industrial sites. But the vacant areas of shrinking cities are rarely large and discrete; instead they are more often small and scattered, with many properties, many owners, and many structures remaining. In time landscape urbanism may better confront the property conditions of shrinking cities; in the meantime, landscape urbanism is a compelling strategy for large previously industrial areas such as the “monumental wilderness” of empty grain elevators along the Buffalo River but not for the patchwork of vacant and settled areas that characterize partly abandoned neighborhoods. xxviii As a citywide strategy, landscape urbanism has even less traction, for any large-scale open space strategy would face skepticism from political leaders interested in increasing economic development and fearful of alienating voters with threats of widespread condemnation for open space. Ryan, Rightsizing Shrinking Cities 9 May 2011 textes Figure 14.7. Reconstructing a Semi-Abandoned Neighborhood with Improved Housing, Additional Open Space and Changed Street Patterns Shrinking cities present urban designers and planners with a physical condition that current urban design ideals do not fully address. Urban design has always projected visions of the city as a complete, idealized entity, from the symmetrical avenues of the Baroque xxix to Brasilia’s bird-in-flight form xxx to the picturesque New Urbanist village of Seaside. xxxi Precisely the opposite conditions, however, characterize shrinking cities: an incompleteness and imperfection that make the attainment of an ideal form a seeming impossibility. Urban designers tend to dislike imperfection and incompleteness, but any urban design theory for the shrinking city ideal will, by necessity, have to value and incorporate these attributes. The future shrinking city should be neither New Urbanism’s ideal restored cityscape of historicist homes nor landscape urbanism’s successional landscape of returned nature, but rather a patchwork of differentiated areas containing settlements of multiple densities and form, interspersed with open areas of various sizes, programs, and levels of use. Four spatial patterns should characterize the shrinking city’s “patchwork urbanism”: a large-scale pattern of interwoven growth and shrinkage, and its three components: areas with extensive shrinkage, growth in isolation, and growth in connection. The following sections describe each of these principles in detail (see Figures 4 and 7 for illustrations in a hypothetical city and neighborhood). Below, I describe the components of the patchwork urbanism that both describe the existing shrinking cityscape and provide a framework for a new urban design approach to improve these environments. Interwoven Growth and Shrinkage Few urban designers have acknowledged and appreciated urban incompleteness as a formal ideal. Among them is Kevin Lynch, who described an ideal metropolitan form that he called “the polycentered net.” xxxii Such a net would possess both “intensive peaks” of density and “extensive regions of low density” within a “dispersed urban sheet” or urban grid. This grid would consist both of streets Ryan, Rightsizing Shrinking Cities 10 May 2011 textes and of “belts and tongues of open land.” This pattern would not be static, but would “specialize and grow, perhaps in a rhythmically pulsating fashion.” Lynch’s recommendation captured many of the characteristics that he felt characterized the modern metropolis: generally low densities resulting from automobile use and a desire for pastoral settings; dynamism resulting in part from rapid technological and lifestyle advances; choice resulting from the increased desire of different types of people for different experiences at different times; and physical differentiation resulting from the presence of both historic and modern structures and urban patterns across any given area. Lynch’s polycentered net was a somewhat odd idea, and he did not wholeheartedly explore it again nor has any other urban designer expanded upon it. It certainly has little resemblance to New Urbanism’s “transect,” which offers a 1920s vision of a dense central city and low-density suburbs. xxxiii Fifty years later the polycentered net remains an apt ideal for the American city, accepting both suburban sprawl and urban centrality with neither nostalgia nor cynicism. At a smaller scale, the polycentered net is also a helpful spatial concept to apply to shrinking cities. Historically structured around speculative grids developed with a homogenous pattern of housing and other buildings (Figure 1), shrinking cities have in their decline shifted toward a differentiated, if unorganized, pattern of lower and higher (i.e. historic) building densities (Figure 2). The differentiated grid of shrinking cities, with areas that are still becoming denser and other areas with increasing abandonment, is analogous to the dynamic patterns of density and openness of Lynch’s concept. The fluidity and dynamism of Lynch’s concepts constituted a sea change from the static urban design ideals of the past. In similar fashion, an urban design approach should accommodate rather than reject the shrinking city’s inevitable housing loss within the historic street network. Attempting to stop this shrinkage in the future is likely to be as fruitless as in the past, for individual abandonment and demolition of abandoned buildings motivated by safety concerns and neighborhood complaints will continue to generate piecemeal vacancies. Even if building loss in shrinking areas continues to be Ryan, Rightsizing Shrinking Cities 11 May 2011 textes unplanned, decisions about growth or reconstruction of abandoned areas need not be; location should be as critical for state-driven redevelopment as it is for private developers building in shrinking cities. Gradually increasing areas of lower density will continue to characterize shrinking cities as city officials and private owners demolish structures on a piecemeal basis year by year. These shrinking, increasingly empty areas will intermingle with remaining, surviving areas of historic building stock and densities. While overall shrinkage continues, urban design policy can reverse shrinkage in selected locations by constructing new large-scale, mostly residential neighborhoods that return certain lowdensity areas to a higher (if not historic) density level. Government-driven redevelopment could construct these new neighborhoods even as private developers continue to construct scattered, smallerscale projects along major corridors (Figures 4, 7). The overall city would continue to shrink, but certain areas of the city would grow within this declining fabric. Thus, today’s pattern of patchwork shrinkage with concentrated growth in higher-income areas would under this plan shift to a more balanced pattern of shrinkage and growth across both high- and low-income areas of the city. This new growth pattern would stabilize parts of the shrinking city fabric, while allowing loss to continue elsewhere in the city. (Figure 4 [patchwork urbanism redevelopment pattern] about here) (Figures 5, 6, and 7 can go anywhere in the next sections) Extensive Shrinkage The fate of open, vacant areas in shrinking cities makes up much of the dialogue about shrinkage. From “blots” of vacant lots annexed by adjoining homeowners in Detroit xxxiv to corridors of abandoned infrastructure, urban farms, and wildlife habitat, open spaces in shrinking cities both Ryan, Rightsizing Shrinking Cities textes 12 May 2011 provoke those who wish for regenerated historic urban fabrics and suggest promise for those who long for a fuller expression of nature in cities. Open spaces in shrinking cities are growing and evolving and will continue to do so, offering a rich palette for exploration and cultivation of diverse activities. Vacant areas are abundant, and urban policymakers and urban designers should see them as ‘open territory’ for whatever gestures residents or outsiders wish to make there. Probably the least practical transformation for these areas is to turn them into formal city parks. Conventional recreation equipment, maintained athletic fields, and pastoral Olmstedian landscapes would be impossibly expensive, and these facilities already exist in overabundance from past eras. The most practical transformations have already been occurring, such as the piecemeal, everyday annexation of empty parcels, whether formal or informal, by residents who have chosen to remain and who value these parcels as amenities for their own home. But “blotting” is likely to be a limited-scale strategy, and one that may itself ultimately decrease in frequency as residents of scattered homes continue to leave the city and as new developments with more fixed form incorporate open space into their designs. No blotting can exist without homes. By the same token this everyday urbanism-related practice holds substantial continued promise in cities with dense rowhouses, where outdoor private space is both entirely absent and badly needed, such as Philadelphia or Baltimore. City officials should strongly encourage blotting in these cities, perhaps with low fences or walls to provide some continuation of the former streetwall. Ultimately the open areas of shrinking cities will themselves resemble a patchwork, a green microcosm of the city at large, with a mix of consciously designed space--maintained small blots, larger areas cultivated as urban farms, and designated natural habitat areas-- with the unconscious, meaning badly maintained city- or privately-owned parcels, and larger areas of land undesignated for any use whatsoever. All of these open areas, designed or not, will intermix with remaining homes. No one vacancy strategy is likely to dominate these areas of continued shrinkage, nor should one, for open area Ryan, Rightsizing Shrinking Cities 13 May 2011 textes strategies will evolve as shrinkage continues. New development may in time occupy some open areas; if these are designed areas, their reuse will likely engender resistance in the same way that community garden “owners” have fought redevelopment in New York and Chicago. But most new development, if and when it reoccupies open areas, will not encounter much resistance, except from speculators. New development will likely never occur in most open areas, which will remain open for the foreseeable future. Perhaps the most contentious aspect of dialogues over the fate of open areas has concerned residents who remain in isolated houses scattered throughout these areas. Involuntary displacement was the Achilles’ heel of urban renewal, and its ghost haunts dialogues about rightsizing. Urban citizens who have persisted through decades of decline and abandonment and who may enjoy their isolation and spaciousness are rightly incensed at prospects that city officials may displace them simply for open space or wildlife habitat. Residents of mostly open areas who wish to remain there, surrounded by memories and a pastoral landscape, should do so. At the same time, city officials should establish service provision standards reduction of city services to isolated, nearly vacant areas; one might imagine the city formally abandoning street blocks where only one or two houses remain and deeding maintenance responsibility for that street to the residents. Such distances are much less than those owned and maintained by residents of rural areas. But residents of isolated, sparsely populated open areas will need to come to grips with the reality that living in abandoned areas will require them to assume additional responsibilities, as the reach of municipal services recedes to the nearest street intersection. Growth in Isolation In cities such as Detroit, abandonment has progressed to the point where some neighborhoods may be a mile or more from retailing establishments and market-rate housing. Vacancy has occurred for Ryan, Rightsizing Shrinking Cities textes 14 May 2011 so long and to such an extent that surviving intact blocks are “isolated” by larger patches of abandonment. In Buffalo, for example, patchwork abandonment in the city’s central declining area is almost two miles in diameter. xxxv Isolated areas are poor prospects for conventional, privately-financed housing development. Residents or visitors unfamiliar with the areas tend to avoid them, so most city residents do not see them. Since they are inhabited almost entirely by people in poverty, services, police protection, and other municipal benefits are less than in other parts of the city. Many isolated areas, built in an era when cities were denser and pedestrian-oriented, are also remote from major arterials, making them inconvenient for automobile access. The result, seen in Figure 3, is what one might expect: isolated areas receive little redevelopment except for scattered nonprofit housing. Out of sight and out of mind to other residents of the city, isolated areas tend to remain isolated, and their decline tends to continue. Physical isolation confers a significant, direct cost on residents of these areas and less directly confers costs on the city as a whole. For residents, physical isolation means disconnection from everyday amenities found in denser areas, much as “social isolation” isolates residents from socioeconomic role models. xxxvi Large stretches of the inner cities pictured in Camilo Jose Vergara’s photos feature nary a grocery store or restaurant, a sign of physical isolation’s cost. xxxvii Other parts of the city suffer in turn from physically isolated areas’ failure to redevelop, because abandonment in adjoining areas may grow as abandonment in isolated areas increases. Work in Buffalo has clearly showed this phenomenon. xxxviii Creating new neighborhoods in shrinking cities’ most isolated areas thus could be an important strategy. Perhaps the strongest argument in favor of new neighborhood development in such areas is based on equity; in a democracy, all citizens merit a decent living environment with access to public facilities, regardless of where they happen to live. Isolated area residents’ continued deprivation of access to amenities common in denser areas can thus reduce if not violate their civil rights, just as children citywide should have the right of access to the best available public education. New Ryan, Rightsizing Shrinking Cities 15 May 2011 textes neighborhoods in isolated areas may not reverse or remove negative influences present in the lives of area residents, but they will certainly increase their exposure to benefits such as new parks, streets, or stable neighborhoods, and indirect benefits such as improved city services and increased public order in surrounding areas. Current redevelopment policies that emphasize new housing in areas adjacent to high-value areas of the city tacitly exclude citizens of isolated areas from receiving the spillover benefits of new development such as improved public services or police protection. The lack of development in isolated areas thus diminishes rather than enhances equity for residents of these areas. Certain factors that influence private-sector development in shrinking cities, particularly visibility and access from major arterial roads, should also guide selection of new neighborhood sites within isolated areas. Any new neighborhood site should adjoin at least a mid-sized arterial street to enhance auto access and increase the probability of mass transit access. Additionally, a new neighborhood adjoining a mid-sized arterial offers a better market for retail development constructed either with or following housing construction. (Figure 4 shows this adjacency to arterial streets). Equity arguments are sufficient reason to locate new neighborhoods within isolated areas to the extent practicable as long as these developments are accessible from arterial roadways. An isolated-area new neighborhood strategy would be a radical one for shrinking cities; recent developments including Philadelphia’s Poplar Nehemiah have been sited adjacent to active areas in the hope of incentivizing market development and buffering healthy areas from decline. This strategy is legitimate, but it ignores the arguably stronger equity motive for building in isolated areas. Urban design arguments for new neighborhoods in isolated areas are also strong. With high levels of vacancy and poor social and economic conditions, isolated areas require innovative design to reimagine neighborhood patterns. In isolated, abandoned areas, little reason exists to replicate the longgone pattern of speculative grids developed with monotonous, dense housing. New residents, many of whom may be coming from or may be considering the suburbs, will doubtless desire both distinction Ryan, Rightsizing Shrinking Cities textes 16 May 2011 and protection from deteriorated surroundings, as well as amenities such as private open space and offstreet parking routine in contemporary development elsewhere. Developers have often provided contemporary amenities in inner cities through the construction of suburban-style housing providing private parking and culs-de-sac, but urban designers have a responsibility to do more than merely imitate suburbs. xxxix Instead, they must supply housing that provides expected private amenities, but that also provides some of the activity, security, and visual and experiential interest of urban neighborhoods. Residents of new neighborhoods in isolated areas are likely to have low or moderate incomes. Upper-income residents have choices that enable them to consider other locations, and some metropolitan-area residents’ racial fears prevent them from considering a location that they consider “inner-city.” However, low- and moderate-income city residents may find isolated locations desirable. Amenities such as spacious homes and private space would be available at a low cost, making isolated areas competitive locations for homeowners conscious of costs and tolerant of urban locations. Such homeowners, often African-American, are precisely the demographic that has purchased new for-sale homes in redeveloped areas of Detroit such as Victoria Park. xl Such residents also made up the new neighborhoods of Yorktown, North Philadelphia’s most stable neighborhood, as Kromer noted. xli Lowermiddle-class households may represent the best hope for preventing housing abandonment in isolated areas, but they will require well-designed new neighborhoods to attract and house them. Little or no prospect exists for private-sector developer financing of new neighborhood construction in isolated areas. For-profit development in shrinking cities is risky even in the best of times and locations, xlii and to expect developer financing in isolated locations is surely to ask too much. Only city governments, fiscally constrained as they are, possess the means to finance new housing in isolated locations, but they should not do so outside of the framework of a spatial plan that fairly balances different neighborhoods’ needs for rebuilding. Ryan, Rightsizing Shrinking Cities 17 May 2011 textes Constructing new neighborhoods would be costly and would demand significant time and capacity from city agencies. Philadelphia, for example, was able to afford only a few sizable publiclyfinanced new neighborhoods in the prosperous 1990s. In Buffalo, however, reduced federal funding is not the limiting factor in constructing new neighborhoods. With a ten-year time horizon, ample federal and state funds were available to construct hundreds of new houses at densities of around 15 units per acre at a cost of up to $200,000 per housing unit. xliii Given that land costs are low in most shrinking-city neighborhoods, the construction of new neighborhoods in abandoned areas of shrinking cities would seem feasible. Whether shrinking-city agencies are up to the task is another question. Growth in Connection While abandoned, isolated areas are perhaps shrinking cities’ most striking and troubling environments, many other areas of these cities have brighter prospects. Every shrinking city has healthy neighborhoods where residents choose to live and remain, forgoing the suburbs in favor of a distinctive living experience in the city. These healthy neighborhoods are little different than their better-known cousins in “creative-class” cities such as Portland or Boston, and their prices are often lower. Entrepreneurial real estate developers see these sites as excellent locations for new housing, and city administrations are happy to subsidize them. Unlike in Boston or Portland, however, shrinking cities often possess partially abandoned neighborhoods close to these healthy areas. Buffalonians who take the short walk across Main Street away from prosperous Delaware Avenue find themselves in the shrinking neighborhood of Masten Park, a low-income, African-American neighborhood with approximately 50 percent of its properties vacant lots. xliv Buffalo, Cleveland, and other shrinking cities possess many such “connected” shrinking neighborhoods, adjacent to prosperous areas but nevertheless badly deteriorated. Ryan, Rightsizing Shrinking Cities textes 18 May 2011 New neighborhoods in connected areas offer different benefits both to residents and to the city as a whole. Since these locations are already adjacent to intact and higher-income residential and retail areas, residents of new neighborhoods enjoy immediate access to these amenities. Adjacent new neighborhoods also reinforce the success of healthy areas as additional new residents locate within walking or short driving distance of these places, a trend that supports existing activities. Proximity to active neighborhoods is beneficial to lower-income residents. Development in connected neighborhoods also holds promise of attracting a potentially greater range of incomes and populations than is possible for isolated areas. Neighborhoods adjacent to high-priced areas have historically been at risk of gentrification in more prosperous cities, but gentrification risks are low in shrinking cities. Demand for housing is low, and prices are affordable even in healthy neighborhoods. At a larger scale, construction of new neighborhoods at the frontier of decline can check abandonment’s apparent spread across deteriorating neighborhoods. New neighborhoods on borderlands between healthy and vacant neighborhoods indicate that “abandonment stops here,” reduce risk to healthy neighborhoods, and help to revive formerly at-risk shrinking neighborhoods. This metaphor, of helping those who are not yet beyond hope, is widespread: medicine has the practice of triage; in crime prevention, fixing ‘broken windows” quickly avoids more serious problems, and many social programs direct aid toward “at-risk” children. Constructing new neighborhoods in “at-risk,” connected areas promises to arrest or stabilize decline’s spread and to reverse abandonment in areas where it has not yet fully taken hold, even if it offers little promise to areas elsewhere with deeper abandonment problems where a gradual leveraging of private-sector activity may take years or decades to spread. However, connected areas are generally less extensively abandoned than isolated areas, and latitude for major urban design intervention is correspondingly less. At vacancy rates of below 50 percent, street, block, and settlement reconfiguration is difficult barring extensive relocation of existing Ryan, Rightsizing Shrinking Cities 19 May 2011 textes residents. xlv Urban design at moderate levels of abandonment is thus limited to small new clusters of homes, closure of occasional streets, and provision of new open spaces or community facilities on scattered sites. Since even small-scale actions may require home relocation, significant numbers of remaining houses make an infill urban design approach stronger in connected areas. Such strategies have been pursued in moderately vacant neighborhoods such as Corktown in Detroit or Buffalo’s Near West Side. Towards a New Shrinking City Almost forty years ago, the United States abandoned the enterprise of state-driven urban redevelopment in favor of decentralization and private initiative. xlvi The neoliberal economics that have dominated since that time have driven planning and urban design, particularly in the United States but increasingly in Europe, to follow the lead of private-sector developers in rebuilding cities. Some theorists believe that such a strategy is ideal, that obeying the market’s wishes is the best path forward for building cities. xlvii Yet this very strategy has also cast shrinking cities adrift, guiding them to spend hundreds of millions of dollars on downtown megaprojects xlviii and subsidizing developers to construct housing in connected areas, while ignoring the even larger challenge of improving conditions in the isolated, abandoned areas that grow larger as economic decline continues. The shrinkage of historically industrial cities represents the signal failure of neoliberal planning and of the planners that advocate it, for shrinking cities’ reliance on the market has clearly done little to improve the quality of the built environment in their most abandoned areas. This chapter has argued that a benevolent, interventionist, critical urban design approach can begin to undo the neglect of the laissez-faire planning of the past forty years and begin to project a future for shrinking cities that goes beyond the piecemeal abandonment and demolition they currently experience. Ryan, Rightsizing Shrinking Cities textes 20 May 2011 Such an urban design approach might address each of the different landscapes of the shrinking city-- areas with extensive shrinkage, new neighborhoods in isolated areas, and new neighborhoods in connected areas--with strategies that mix new construction in some areas with the acceptance of continued abandonment and decline in other areas. Funds are likely to be scarce and political capacity episodic, but a robust urban design approach has the potential to transcend these constraints. Ideally, the future shrinking city would be a “patchwork city” of new, old, vanished, and vanishing neighborhoods, intermingled within the bounds of the historic city. Such cities will not be preserved historic monuments, but neither will they be ruined wastelands. Ultimately, shrinking cities might become a lively combination of different types of environments, a central-city realization of Kevin Lynch’s “polycentered net.” Rightsizing will be an urban policy subject to the same challenges and opportunities as all other urban policies. Political leadership in shrinking cities is not necessarily strong; agencies have lost capacity over years of budget cuts. Federal and state funding to shrinking cities is not generous, but it can achieve substantial aims if applied in large quantities to a single site. Constructing concentrated and innovative new neighborhoods will change urban development as usual and place new demands on nonprofit and public agencies accustomed to decentralized action. But the problem of shrinking cities is too large to be left to chance, to the market, or to scattered and ineffective actors. Rightsizing shrinking cities represents a new opportunity for urban design and planning to take the lead in shaping the future of some of the United States’ most distinctive and meaningful urban environments. The need to rightsize is critical, the potential to rightsize is tremendous, and the time to rightsize is now. Ryan, Rightsizing Shrinking Cities 21 May 2011 textes i Richard Campanella, Bienville’s Dilemma: A historical geography of New Orleans (Lafayette, LA: Center for Louisiana Studies, 2008), 344-350; Ehrenfeucht and Nelson, this volume. ii Camilo Vergara, American Ruins (New York: Monacelli Press, 2003); Andrew Moore and Philip Levine, Detroit Disassembled (Akron, OH: Akron Art Museum, 2010); Yves Marchand and Roland Meffre, The Ruins of Detroit (London: Steidl, 2010). iii For the purposes of this chapter, “abandonment” means permanently vacant buildings as well as the vacant land that results from the demolition of such structures. iv In this chapter, diagrams of a hypothetical city illustrate problems and solutions at both the city scale (Figures 1 through 4) and neighborhood scale (Figures 5 through 7). This hypothetical city contains Ryan, Rightsizing Shrinking Cities textes 28 May 2011 elements of several different shrinking cities in the American Rust Belt, but it does not purport to represent real conditions in any one city. v Jane Jacobs, The Death and Life of Great American Cities (New York: Vintage, 1961). vi Brent Ryan, Julie Stein, Jessica Fain, and Eva Strobel, “Project 1,” Shrinking City Buffalo Urban Design Studio, Massachusetts Institute of Technology School of Architecture and Planning, Cambridge, MA, 2010, available at http://shrinkingcitystudio.wordpress.com/. vii Christine MacDonald and Darren A. Nichols, “Bing moves to jump-start plans to reshape Detroit,” Detroit News, August 18, 2010. viii Ryan et al, “Project 1.” ix Ibid. x Kevin Lynch, Good City Form (Cambridge, MA: MIT Press, 1981); Alexander Cuthbert, The Form of Cities: Political economy and urban design (London: Wiley-Blackwell, 2006). xi Paul Davidoff, “Advocacy and Pluralism in Planning,” Journal of the American Institute of Planners 31, no. 4 (1965): 544-55. xii Richard Dagenhart and David Sawicki, “Architecture and Planning: The divergence of two fields,” Journal of Planning Education and Research 12, no. 1 (1992): 1-16. xiii Bernard Tschumi, “The Environmental Trigger,” in A Continuing Experiment: Learning and Teaching at the Architectural Association, ed. James Gowan (London: Architectural Association, 1975). xiv Brent Ryan, Design After Decline: How America rebuilds shrinking cities (Philadelphia: University of Pennsylvania Press, forthcoming). xv Peter G. Rowe, Modernity and Housing (Cambridge, MA: MIT Press, 1993). Ryan, Rightsizing Shrinking Cities 29 May 2011 textes Agdam (Azerbayán) Esta ciudad llegó a albergar en su interior a 150.000 almas. se convirtió en lo que es en 1993 durante la guerra de “Nagorno Karabahk”, aunque al ciudad en realidad nunca fue el objetivo del combate callo victima del vandalismo mientras estaba ocupada por los armenios lo que hizo que su población se moviera a otras áreas de Azerbaiján e incluso a Irán. En la mayoría de los casos sus edificios son cáscaras vacías sin nada en su interior, con sus puertas y sus ventanas forzadas en un intento por saquear cualquier cosa de valor que pudiera haber en ellos. textes Varosha, Famagusta (Chipre) La historia de Varosha, un distrito de la ciudad chipriota de Famagusta en la República Turca del Norte de Chipre, está marcada por la rivalidad entre dos pueblos. En los años 70, esta zona costera se convirtió en el primer destino turístico de Chipre y uno de más populares del mundo. Hasta sus lujosos hoteles y restaurantes acudían actores, políticos y artistas como Elizabeth Taylor, Richard Burton, Raquel Welch o Brigitte Bardot entre otros. Para satisfacer el creciente número de turistas desde 1970 a 1974 se construyeron nuevos hoteles y grandes edificios que debieron ser abandonados en el verano de 1974 tras la invasión turca en Chipre, en respuesta al golpe de Estado «pro-griego». El ejército Turco y el Grecochipriota cruzaron fuego en las calles de Famagusta. La población, temiendo una masacre, dejó sus casas, trabajos y vida diaria abandonando una ciudad a la que ya nadie ha vuelto a entrar por la falta de entendimiento. El Ejército Turco tomó el control de la zona durante la invasión y la valló pero una resolución de Naciones Unidas impide «asentarse a cualquier persona que no sea sus habitantes» lo que ha llevado a que esta turística zona costera se convierta en una ciudad fantasma cada día más deteriorada. textes kowloon (China) Es una de las pequeñas ciudades rusas que se arruinaron con la caída de la unión soviética, originariamente se trataba de una ciudad minera de estaño. Sus residentes se vieron obligados a abandonar la ciudad para encontrar servicios tan básicos como agua corriente, colegios o asistencia sanitaria, el Estado les realojo en tan solo dos semanas, redistribuyéndoles por otros pueblos y asignándoles nuevos domicilios. En sus prisas por evacuarlos la población abandono tras de si casi todas sus pertenencias pro lo que aun pueden encontrarse juguetes viejos, libros, ropa y otra clase de objetos en esta ciudad fantasma textes Kadykchan (Rusia) Es una de las pequeñas ciudades rusas que se arruinaron con la caída de la unión soviética, originariamente se trataba de una ciudad minera de estaño. Sus residentes se vieron obligados a abandonar la ciudad para encontrar servicios tan básicos como agua corriente, colegios o asistencia sanitaria, el Estado les realojo en tan solo dos semanas, redistribuyéndoles por otros pueblos y asignándoles nuevos domicilios. En sus prisas por evacuarlos la población abandono tras de si casi todas sus pertenencias pro lo que aun pueden encontrarse juguetes viejos, libros, ropa y otra clase de objetos en esta ciudad fantasma. textes Prípiat ( Ucrania) La triste historia de la ciudad de Prípiat está vinculada a la Central Nuclear de Chernóbil. Fundada el 4 de febrero de 1970 para dar hogar a los trabajadores de la Central y a sus familias pronto se convertiría en una urbe con gran número de población y en una de las zonas más agradables para vivir de la antigua URSS. En sólo 16 años la población creció hasta alcanzar más de 40.000 personas que llegaron traídas por su estratégica posición geográfica en un clima relativamente templado y un suelo muy fértil, cerca de una estación de tren, una autopista y, por supuesto, el río que daba nombre a la ciudad. Sus amplias avenidas, sus edificios, museos, colegios, parques, cines o restaurantes daban vida a una ciudad que no imaginaba su trágico final. Un 26 de abril de 1986 la localidad sufrió los efectos del peor accidente de la historia de la energía nuclear cuando explotó un reactor de la Central Nuclear de Chernóbil. La mayoría de los habitantes fueron evacuados de sus casas para protegerlos de la enorme radiación, los animales domésticos y el ganado debieron ser dejados atrás y sacrificados para evitar alteraciones genéticas y muerte en sus descendientes. Hoy, la ciudad «radioactiva» es una urbe fantasma donde apenas los científicos acceden a unas calles donde la vegetación se abre camino entre muros de hormigón que ven pasar los días sin esperanza de volver a escuchar los gritos, cantos o risas de sus antiguos habitantes. textes Gunkanjima (Japón) Es una de las 505 islas sin habitar del archipiélago de Japón, se encuentra cerca de la ciudad de Nagasaki, a unos 15 kilómetros, también se la llama la ciudad acorazado gracias a sus altos muros para protegerla de las inclemencias marinas que la hace parecerse a un acorazado del ejercito. En 1890, Mitsubishi compró la isla e inició un proyecto para la extracción de carbón del fondo del mar, este proyecto atrajo mucha atención y en 1916 se vieron obligados a construir edificios de hormigón para dar alojamiento y protección frente a los huracanes a los trabajadores que allí vivían. Finalmente en 1960 el petróleo reemplazó al carbón como principal combustible y las minas de carbón empezaron a cerrar por todo el mundo, esta no fue una excepción. En 1974 Mitsubishi anunció el cierre de la mina y a dia de hoy el lugar esta completamente vacío y su entrada prohibida. textes Oradour Sur-Glane (Francia) La apacible localidad rural francesa de Oradour-sur-Glane en la región de Lemosín quedó marcada para siempre un 10 de junio de 1944 convirtiéndose en un símbolo de los crímenes de guerra cometidos en Francia durante la ocupación nazi y el régimen colaboracionista de Vichy, en la Segunda Guerra Mundial. Tal día de 1944 las SS alemanas atacaban a una población civil indefensa mientras tenía lugar la Batalla de Normandía en la Segunda Guerra Mundial. Aquel día fueron asesinadas 642 personas. La población que consiguió huir vio destruida la mayor parte de sus edificios e infraestructuras tras su pillaje e incendio, quedando la ciudad completamente en ruinas. Al final de la guerra, las ruinas de la población fueron mantenidas en su estado por orden del gobierno francés de Charles de Gaulle, como recuerdo de este crimen y símbolo de los sufrimientos causados por la ocupación nazi. textes Craco (Italia) A principios del siglo XI, la ciudad italiana de Craco empezó a levantar sobre una colina una impresionante ciudad con casonas señoriales, iglesias, palacios y hasta un castillo. Pero los arquitectos de esta próspera localidad no tuvieron en cuenta la calidad del terreno donde edificaban y construían sus calles. El antiguo pueblo de Craco situado sobre una colina de arena y arcilla y sobre una falla geológica con habituales movimiento sísmicos no aguantó y tuvo que ser abandonado por sus habitantes quedando semiderruido en 1975. Hoy en día sus ruinas se han convertido en un atractivo para los turistas que recorren sus calles entre fachadas destruidas y admiran la riqueza de otros tiempos que ya nunca volverán a Craco. textes San Zhi (Taiwan) A alguien se le ocurrió hacer un lugar de lujo para disfrutar de unas vacaciones de estilo futurista, lógicamente dirigido a los ricos. Sin embargo se produjeron numerosos accidentes fatales durante su construcción y finalmente tuvieron que detenerla, finalmente la falta de dinero y la falta de interés por acabar el proyecto llevaron a que este nunca se reiniciara. Finalmente el gobierno que encargo las obras se distancio de todo el asunto y trato de tapar toda la bizarra edificación, como resultado no hay nombres de arquitectos ni de ningún responsable de las obras. Curiosamente poco tiempo después empezó a surgir la leyenda de que el lugar estaba encantado por los espíritus de los fallecidos en los accidentes de las obras, en la actualidad se dice que los espíritus habitan este área y viven en las casas como los seres vivos lo hacemos en las nuestras, esta leyenda ha devaluado terriblemente la zona lo que la ha hecho muy poco atractivo para futuras obras lo que en principio va a perpetuar en el tiempo la existencia de esta ciudad fantasma. textes Kolmanskop (Namibia) En 1908 Lüderitz estaba inmerso en la fiebre de los diamantes y había ríos de gente que llegaban hasta el desierto de Namibia esperando hacer una fortuna fácilmente, ríos de gente, por que de agua, ninguno. En dos años la ciudad estaba completa, con casino, colegio, hospital, zonas residenciales… todo en medio de la nada y rodeado de dunas de arena. Poco después las ventas de diamantes a nivel mundial bajaron y llegó el principio del final. Durante los años 50 la ciudad se fue quedando paulatinamente sin gente y las dinas empezaron a reclamar lo que era suyo. Los carteles de metal se cayeron, los jardines se vieron invadidos por la arena, las puertas y ventanas se fueron rompiendo bajo las inclemencias del tiempo. En la actualidad todavía se mantienen en pie y pueden verse muchos edificios que no han sido enterrados completamente por la arena, algunos de ellos están en muy buenas condiciones pero la mayoría no son más que ruinas. textes Bodie, EEUU La historia de la ciudad californiana de Bodie está ligada a las minas de oro y a la madera. Esta típica población del oeste de EE.UU. bien pudiera ser una de las que tantas veces han sido retratadas en las películas de vaqueros. A finales del año 1870 el pueblo dedicado a explotar las minas de oro alcanzó su apogeo con una población de 10.000 habitantes. Junto al crecimiento de su población se instalaron hasta 65 «saloons» -el bar típico del oeste de los Estados Unidos en el siglo XIX-, restaurantes, iglesias, bancos y una escuela. El declive de Bodie empezó en 1882 con la bancarrota de las compañías mineras provocando que la población empezara a emigrar. Dos graves incendios unidos a la Gran Depresión terminaron con la historia de esta localidad. Bodie pasó a convertirse en una «ciudad fantasma». En los años 1960 fue considerada un Distrito Histórico de los Estados Unidos y hoy en día es una de las zonas turísticas más visitadas del oeste de EE.UU. textes Belchite, Espagne Belchite, es un pueblo cercano a Zaragoza que fue una joya arquitectónica con capillas, palacios renacentistas, iglesias y dos monasterios hasta que fue bombardeada durante la Guerra Civil dejando un balance de más de 6.000 muertos en quince días. Quien pasea entre sus ruinas puede imaginar el horror vivido y para muchos investigadores de lo paranormal Belchite es el lugar por excelencia de las psicofonías. Aseguran que existen grabaciones que atestiguan los gritos, caídas de bombas o resonar de campanas de los quince días que convirtieron Belchite en un pueblo fantasma. Como ocurrió en localidad francesa de Oradour-sur-Glane, la ciudad de Belchite nunca fue reconstruida. Tras finalizar la guerra Francisco Franco decidió crear un pueblo nuevo al lado -conocido como Belchite nuevo-, dejando intactas las ruinas del anterior como recuerdo de la contienda. 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V·LQWHUURJHUVXUODVWUXFWXUHG·XQWHOGLVFRXUV1HUDSSHOOHWHOOHSDVOD©PpFDQLTXHGHVVHFWHVª F·HVWjGLUHODVWUXFWXUHLQKpUHQWHjWRXWGLVFRXUVVHFWDLUH" /H GpFURLVVDQWLVPH RIIUH FHSHQGDQW XQ YLVDJH V\PSDWKLTXH 8QH SDUWLH GH VHV UHFRPPDQGDWLRQV ²TXL VRQW FHUWHV GHV UHFRPPDQGDWLRQV TXH IDLW O·pFRORJLH GHSXLV ORQJWHPSV²HQDSSHOOHDXERQVHQVpFRORJLTXHHWjXQHUpIOH[LRQXWLOHVXUQRWUHPRGHGHYLH &HSHQGDQW LO HVW LQGLVSHQVDEOHGH FRPSUHQGUH OHV WHQDQWV HW OHV DERXWLVVDQWV GH FH TXL HVW GHYHQXXQHQRXYHOOHLGpRORJLHSROLWLTXH textes BIBLIOGRAPHIE Ouvrages et articles généraux: BARON Myriam, CUNNINGHAM-SABOT Emmanuèle, GRASLAND Claude, RIVIÈRE Dominique et HAMME Gilles VAN (dir.), Villes et régions européennes en décroissance maintenir la cohésion territoriale ?, Paris, Hermès science : Lavoisier (coll. « Traités IGAT »), 2010, 346 p. 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