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Rachel White, left, of Cherry Hill, N.J., and her aunt Dolores White, of Forest Hills, N.Y., hold aloft a sign memorializing Rachel's brother James Patrick White as friends and relatives of the victims of 9/11 gather for a ceremony marking the 10th anniversary of the attacks at the National September 11 Memorial at the World Trade Center site, Sunday, Sept. 11, 2011, in New York. (AP Photo/Jason DeCrow)

Memorable moments: Ground Zero memorial ceremony

A collection of moments from the 9/11 anniversary memorial ceremony in New York.