Inthe1960sWaltDisneypicturedinthemindafutureutopian(乌托邦的)citywithundergroundroadsandaclimate-controlledroundroof.TherealcommunityofCelebrationFloridabuiltin1999appliesthesocialandenvironmentalgoalsofbothDisneyandtheNewUrbanismmovement.

DisneyandtheNewUrbanismhaveimaginedcommunitiesthatpromotesocialandlocalcommunication.CelebrationhasacentralMarketStreetdistricttoreducetrafficandencouragesocialcontacts.Theideaisthatifthedowntownareaisneatlyandcloselyrankedpeoplewillwalkandmeettheirneighbors.Downtowneventslikeartsfestivalsalsobringcitizenstogether.Narrowtree-linedstreetsare"trafficcalm"—withslowerspeedlimits—toencouragebicyclingandwalking.

MoreoverhousinginCelebrationincludesbothsingleandmulti-familyhousesthatencouragessocialization.Apartmentbuildingsarelocatedclosetodowntownandhousesarebuiltclosetogetherwithsmallyards.Theyfeatureentrancehallstoencouragecitizenstosocialize.

"Manyaspectsofthatkindofdesignarereallyaimedatmaximizingsocialcommunicationbetweencitizensnotjustonthestreetsbutalsoincommunityinstitutionsthatareverymuchapartofpubliclifethere"saysAndrewRossaNewYorkUniversityprofessorwholivedinCelebrationforoneyear.

UtopiancommunitiessuchasCelebrationarealsodesignedwithenvironmentalprotectioninmind.Thetownitselfisbuilton4900acressurroundedbya4700acreprotectedgreenbelt.Thegreenbeltparksandcommonareasaccommodatenativewildlifeandanimals.

High-riseofficeandapartmentbuildingsprovidecloseofficeandlivingspaceinasmallgeographicareainordertoreduceurbansprawlthespreadoftoday'scitiesontonatureareas.

Buildingsalsominimizeenvironmentalinfluencebyusingcooling;andelectricsystemswithinsulatedglasscoolingtowersandenergy-savinglamps.

"ThetownmoreorlessborrowsveryheavilyfromNewUrbanistprinciples...tocreateenvironmentallyfriendlyalternativestosprawlandtocreatecommunitiesaroundpeopleratherthanvehicles"Rosssaid.

64.Celebrationmentionedinthepassageisa___________.

A.cityoff