Willis Tower

Willis Tower, Chicago, United States me ek bahut uuncha building hae. Ii 527 meters (1,730 feet) uuncha hae aur ii 108 storey ke hae. Chalis saal talak ii dunia ke sab se uuncha building rahaa. Iske 1970 me banae ke khalaas karaa gais rahaa. Photo gallery Duusra websites Official website Chicago Skydeck website Emporis.com - Willis Tower SkycraperPage.com – Willis Tower Archived 2012-07-23 at the Wayback Machine A view from 103rd floor of the tower References