Postcard US-3751686

sent on
travel time 29 days
distance travelled 4,268 miles
received on
 Loading map...
USA: Chicago. The Willis Tower originally known as the Sears Tower was designed by chief architect, Bruce Graham and structural Engineer, Fazlur Khan. The Willis Tower was the first building to use the nine steel unit tube design. Construction commen
You need to sign in to leave a comment!