Memorial Day in the United States
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Marine veteran, retired Staff Sgt. Tim Chambers salutes riders in the annual Rolling Thunder 'Ride for Freedom' motorcycle rally in Washington, May 25, 2014.
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Participants drive toward the Lincoln Memorial during the Rolling Thunder 'Ride for Freedom' in Washington, May 25, 2014. (Brian Allen/VOA)
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Participants get ready for the Rolling Thunder 'Ride for Freedom,' May 25, 2014. (Dimitris Manis/VOA)