Unit6Design凤凰城大学体育场(UniversityofPhoenixStadium)位于美国亚利桑那州,是美国著名的亚利桑那红雀橄榄球队的主场以及美国大学生体育协会(NCAA)嘉年华杯的举办地
Workersbeganbuildingthestadiumintwothousandandthree
Itwascompletedaboutthreeyearsandfourhundredfiftyfivemilliondollarslater
Unlikemoststadiums,ithasaroofthatfullyopens
Itismadeoftwopartsthatslideinandout
ThisareaiscalledtheValleyoftheSun
Itsometimesisaveryhotplace
TheaveragehightemperatureinthesummerisabovethirtysevendegreesCelsius
Sotheroofofthestadiumcanbeclosedtopermitairconditioningmachinestobeused
Buttheroofcanbeopenedduringthecoolermonthsforsportingandotherevents,likebigrockconcertsandtradeshows
Thestadiumhasanunusualfeature(特征)thatnootherstadiumhas
Thenaturalgrassplayingfieldrollsinandoutofthestructureasneeded
Thegrassgrowsonanobjectlikeagianttray(托盘).Mostofthetimethegrassismovedou