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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A pedestrian takes photos behind banners showing the names of victims of the Sept. 11, 2001, terrorist attacks, at Willie Mays Plaza outside of Oracle Park in San Francisco.

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President Joe Biden stands during the playing of "Taps," at Joint Base Elmendorf-Richardson to mark the anniversary of the Sept. 11, 2001, terrorist attacks, in Anchorage, Alaska.

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American flags are placed outside the U.S. Capitol in Washington, on the 22nd anniversary of the Sept. 11, 2001, terror attack.

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Firefighters from Hook and Ladder 24 Engine 1 fire station observe a moment of silence on the day of the 22nd anniversary of the September 11, 2001 attacks on the World Trade Center, in New York City.