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 
 A view from 103rd floor of the tower

 References 

vibhag:W
Category:Towers
Category:United States of America