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The Willis Tower (left) in Chicago, photographed on Feb. 15. One World Trade Center (right) in New York City, photographed in November.
Saul Loeb/Getty Images / Mark Lennihan/AP
November 12, 2013 One World Trade Center is now the third tallest building in the world, overtaking Taipei's 1,667 ft. structure. The Willis Tower in Chicago now loses its claim as the tallest building in the United States.
July 22, 2009 So the Sears Tower is gone. Another iconic name leaves Chicago... Get over it!
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