Key Tower, Ohio, US

Key Tower is located in downtown Cleveland, Ohio.It was designed by  architect César Pelli.Key Tower is the  18th tallest building in the United States, and the 104th tallest building in the world.

Building Name- Key Tower
Type- Office
Location- Public Square Cleveland, Ohio
Construction started- October 17, 1988
Construction Completed- 1991
Building Opening- January 1992
Height-
Architectural- 947 feet (289 m)
Roof- 888 feet (271 m)
No of Floors- 57
Floor area- 1,550,000 square feet (144,000 m2)
Architect- Cesar Pelli
Source-Wikipedia