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UNITED STATES - May 30: Columbus Circle, also known as Union Station Plaza is getting a face-lift. Here workers put in new sidewalks outside of Union Station's main entrance on May 30, 2012.  (Photo By Douglas Graham/ CQ Roll Call)

UNITED STATES - May 30: Columbus Circle, also known as Union Station Plaza is getting a face-lift. Here workers put in new sidewalks outside of Union Station's main entrance on May 30, 2012. (Photo By Douglas Graham/ CQ Roll Call)

Copyright © CQ Roll Call Group 2012