Ceremonies and remembrances in the United States on Monday honored the 22nd anniversary of the September 11 terror attacks that killed nearly 3,000 people.
In Photos: US Marks 22 Years Since 9/11 Attacks
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Runners carry an American flag as they jog past the Washington Monument at dawn in Washington, on the 22nd anniversary of the Sept. 11, 2001, terror attack.
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A man takes a photograph at the National 9/11 Pentagon Memorial on the 22nd anniversary of the September 11, 2001 terrorist attack, in Washington.
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With the U.S. Capitol in the background, American flags surrounding the Washington Monument fly at half-staff in Washington, to honor and remember the victims of the Sept. 11, 2001, terror attack.
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Firefighters salute during a moment of silence outside the commemoration ceremony on the 22nd anniversary of the September 11, 2001, terror attacks, in New York.
