9/11 Memorial Site at Ground Zero

Associated Press
FILE - In this Sept. 11, 2011 file photo, President Barack Obama delivers his remarks during 10th anniversary ceremonies at the Sept. 11 memorial in New York. This year's Sept. 11 anniversary in New York will be the first in which politicians are excluded from speaking at the commemoration ceremony at ground zero. (AP Photo/Allan Tannenbaum, Pool, File)

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The National September 11th Memorial & Museum

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