Remembering 9/11 (30 images)

A young girl stands by the memorial during observances held on the eleventh anniversary of the attacks on the World Trade Center, at the site in New York, September 11, 2012. UPI/Timothy A. Clary/Pool

A New York City policeman salutes a flag hanging from One World Trade during commemoration ceremony of the 11th Anniversary of September 11th at World Trade Center site in New York, September 11, 2012. UPI/John Moore/Pool

Peggy Bourke, and Susan Friedes listen as names of victims are read during the observances held on the eleventh anniversary of the attacks on the World Trade Center on September 11, 2012 in New York. UPI/Mary Altaffer/Pool

Sofia, left, Dominick, center, and Maureen Esposito listen as the name of their relative Frankie Esposito is read during the observances held on the eleventh anniversary of the attacks on the World Trade Center on September 11, 2012 in New York. UPI/Mary Altaffer/Pool