12th anniversary of 9/11 (41 images)

President Barack Obama and Americans around the country pay tribute to lives lost on September 11, 2001.
Updated: Sept. 11, 2013 at 6:01 PM
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A young visitor pauses along the "Wall of Names" at the Flight 93 National Memorial on the eve of the 12th Anniversary of the crash of Flight 93 near Shanksville, Pennsylvania on September 10, 2013. UPI/Archie Carpenter
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