Civil Engineering Marvels- 5 Tallest Skyscrappers
The Constructor
FEBRUARY 27, 2012
Sears Tower The Sears Tower, a skyscraper in Chicago, Illinois, has been the tallest building in North America since 1973. 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. Related posts: civil engineering?
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