The Harrison Street Bridge, in Chicago, with its double-leaf bascule span raised for boats.  In the background are the Congress Parkway Bridges and the Willis Tower (Sears Tower).
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71861129@N00">David B. Gleason</a> from Chicago, IL
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/mindfrieze/5128976768/">Glimmer</a>