9/11 remains returned to World Trade Center site

A flag-draped casket is lifted out of a police vehicle during the ceremonial transfer of unidentified remains of those killed at the World Trade Center from the Office of the Chief Medical Examiner to the World Trade Center site, Saturday, May 10, 2014, in New York. The remains will be transferred to an underground repository in the same building as the National September 11 Memorial Museum. (AP Photo/Jason DeCrow)

A flag-draped casket is lifted out of a police vehicle during the ceremonial transfer of unidentified remains of those killed at the World Trade Center from the Office of the Chief Medical Examiner to the World Trade Center site, Saturday, May 10, 2014, in New York. The remains will be transferred to an underground repository in the same building as the National September 11 Memorial Museum. (AP Photo/Jason DeCrow)

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