As members of Congress and their staff observed the anniversary of the Sept. 11, 2001, terrorist attacks in New York, Pennsylvania and Washington, D.C., we present a few photos from the Roll Call archives showcasing remembrances from the past 24 years.

A candlelight vigil is held on the National Mall on Sept. 23, 2001, shortly after the terrorist attacks in New York, Pennsylvania and Washington. (Mark F. Sypher/CQ Roll Call)

A picture of Brian Moss, who was killed in the terrorist attack on the Pentagon, sits atop his marker during the opening of the Pentagon Memorial on Sept. 11, 2008. (Tom Williams/CQ Roll Call)

Capitol Visitor Center workers stand next to replicas of the Congressional Gold Medals during a ceremony honoring the fallen heroes of 9/11 in the CVC on Sept. 10, 2014. (Bil

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