Families grieve on the wall of the South Pool of the 9/11 Memorial during the tenth anniversary ceremonies at the World Trade Center site, September 11, 2011 in New York City. Photographer: Timothy A. Clary/Pool/Getty Images
Families grieve on the wall of the South Pool of the 9/11 Memorial during the tenth anniversary ceremonies at the World Trade Center site, September 11, 2011 in New York City. Photographer: Timothy A. Clary/Pool/Getty Images
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