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Last steel beam at 4 World Trade Center

<div class="meta image-caption"><div class="origin-logo origin-image "><span></span></div><span class="caption-text">In a photo made Saturday, June 23, 2012, construction cranes perch on top of One World Trade Center, left, and Four World Trade Center in New York. &#40;AP Photo&#47;Mark Lennihan&#41; (AP Photo&#47; Mark Lennihan)</span></div>
June 25, 2012 6:18:02 PM PDT