Photos from the 24th anniversary of the 9/11 terror attacks

Americans marked 24 years since the terror attacks of Sept. 11, 2001, with commemorations at ground zero in lower Manhattan, at the Pentagon and in Shanksville, Pennsylvania, punctuated by moments of silence, the tolling of bells and the reading of the names of the nearly 3,000 killed.

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This is a photo gallery curated by AP photo editors.