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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The 12th Anniversary of the 9/11 attack on United States. Memorial Ceremonies took place here at the new World Trade Center site today September 11, 2013, where close to 3000 people died 12 years ago. A police officer pauses at the reflecting pool during the ceremony. UPI/Ozier Muhammad/POOL
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