NEW YORK, NY - MAY 10:  Firefighters stand to attention as emergency vehicles transporting the unidentified remains of victims of the September 11, 2001 attacks onto the World Trade Center site, where they will be kept at the 9-11 Museum on May 10, 2014 in New York City. The decision by city officials to keep the remains at the museum until they are able to be identified has drawn both support and criticism by families of victims. A protest was held by a small group of people in protest to the decision as the remains were moved early this morning.  (Photo by Andrew Burton/Getty Images)