<p>Construction milestone as the 86th Street Station Caverns of the  Second Avenue Subway project is complete. Photo: Metropolitan Transportation Authority / Patrick Cashin
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<a rel="nofollow" class="external text" href="http://www.mta.info/news-second-avenue-subway/2014/12/18/second-avenue-subway-station-shell-86th-street-complete">Second Avenue Subway Station Shell at 86th Street Complete</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/61135621@N03">Metropolitan Transportation Authority of the State of New York</a>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/mtaphotos/16051851625/">Second Avenue Subway Update - 86th Street Cavern Completion</a>