US Observes Memorial Day to Honor War Dead
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President Barack Obama speaks to a visitor at Arlington National Cemetery in Arlington, Virginia.
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A couple photograph themselves amongst a sea of flags on Boston Common in Boston, May 26, 2013.
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Motorcyclists ride across the Memorial Bridge into Washington during the annual Rolling Thunder "Ride for Freedom" parade ahead of Monday's Memorial Day celebration, May 26, 2013.
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A veteran takes photographs at the Vietnam Veterans Memorial, ahead of Memorial Day in Washington, May 26, 2013.