American flags and a heart shaped balloon decorate the north pool at the National September 11 Memorial during a ceremony marking the 10th anniversary of the attacks at World Trade Center, Sunday, ... more 
American flags and a heart shaped balloon decorate the north pool at the National September 11 Memorial during a ceremony marking the 10th anniversary of the attacks at World Trade Center, Sunday, Sept. 11, 2011 in New York. (AP Photo/Mary Altaffer) less 
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Associated Press | Photo By Mary Altaffer
Sun, Sep 11, 2011 4:13 PM EDT