Looking back at 9/11

<div class="meta image-caption"><div class="origin-logo origin-image none"><span>none</span></div><span class="caption-text"> Visitors look out over the crash site of United Flight 93 at the temporary Flight 93 memorial in Shanksville, Pa., Saturday, Sept. 11, 2010. &#40;AP Photo&#47;Gene J. Puskar&#41;</span></div>
September 10, 2011 11:39:42 AM PDT