The Willis Touer or formally cawed Sears Touer is a 108-flat landmark skyscraper in the Chicago aurie, in Americae.

Willis Tower
General information
KyndOffice, observation, communication
Airchitectural styleInternational
Location233 S. Wacker Drive
Chicago, Illinois 60606
United States
Coordinates41°52′44″N 87°38′09″W / 41.8789°N 87.6358°W / 41.8789; -87.6358Coordinates: 41°52′44″N 87°38′09″W / 41.8789°N 87.6358°W / 41.8789; -87.6358
Biggin stairtit1970
Completit1973
Hicht
Airchitectural442.1 m (1,450 ft)[1]
Tip527 m (1,729 ft)[1]
Design an construction
AirchitectSkidmore, Owings and Merrill[1] (Fazlur Khan & Bruce Graham)
References
[1]

References

eedit
  1. a b c d e f g "Willis Tower - The Skyscraper Center". Council on Tall Buildings and Urban Habitat. Archived frae the original on 30 December 2013. Retrieved 10 November 2013.
  2. The tower has 108 stories as counted by standard methods, though the building's owners count the main roof as 109 and the mechanical penthouse roof as 110. Emporis.com Retrieved on June 7, 2008