Civil Engineering Marvels- 5 Tallest Skyscrappers
The Constructor
FEBRUARY 27, 2012
Commissioned by Sears, Roebuck and Company, it was designed by chief architect Bruce Graham and structural engineer Fazlur Khan of Skidmore, Owings and Merrill. It surpassed the World Trade Center, which itself had surpassed the Empire State Building only a year earlier. Tweet Loading GET LATEST TOPICS IN YOUR EMAIL- SUBSCRIBE NOW.
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