CHICAGO, IL - APRIL 19: John Hancock Building on Apr 19, 2014 in Chicago Illinois, USA. The 100-story, 1,127-foot Hancock Tower has America's highest indoor pool on the 44th floor.

CHICAGO, IL - APRIL 19: John Hancock Building on Apr 19, 2014 in Chicago Illinois, USA. The 100-story, 1,127-foot Hancock Tower has America's highest indoor pool on the 44th floor. - 64954579

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