Civil Engineering Marvels- 5 Tallest Skyscrappers
The Constructor
FEBRUARY 27, 2012
However, the towers are still the tallest twin buildings and office building in the world. 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 contains offices and the Shanghai Grand Hyatt hotel.
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