The Willis Tower (formerly Sears Tower) stands out amidst the south loop skyscape in Chicago as sea gulls fly from the nearby Chicago River. The 110-s

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The Willis Tower (formerly Sears Tower) stands out amidst the south loop skyscape in Chicago as sea gulls fly from the nearby Chicago River. The 110-story Willis Tower stands 1,450 (not including radio towers) and is eighth largest building in the world and tallest in western hemisphere. (c) 2011 Tom Kelly

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Size: 4256px × 2832px
Photo credit: © Andrey Dmitriev / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: architecture, building, business, city, downtown, office, skyscraper