The Willis Tower was made by putting a signature to a lease contract. The Willis Tower is formerly known as the Sears Tower. See related links for details.
structural steel, black anodized aluminum, bronze-tinted glass, and reinforced concrete.
Concrete, glass, wood and steel were used to build the Calgary tower.
The Eiffel Tower Was Made Entirely Out Of Metal
iron and wood
Stone and steel.
glass and concrete
The present London Bridge is a pre-stressed concrete box girder bridge.
drywall
steel and glass
This is the materials from the CN Tower,Concret shaft,a hexagonal core with three curved support arms.
There were a number of materials used to build the Big Ben Tower in London. These include a copper and tin alloy, limestone, a well as iron spire.
The Sears Tower now officially named Willis Tower is located in Chicago, Illinois. Sears Tower/Willis Tower 233 S Wacker Dr Chicago, IL 60606 The former Sears Tower, currently named the Willis Tower, is bordered on its South side by Jackson Boulevard, on its North side by Adams Street, on its West side by Wacker Drive, and on its East side by Franklin Street.