Soldiers place flags at Arlington for Memorial Day (17 images)

Old Guard U.S. Army soldiers place American flags at the tombstones of the fallen at Arlington National Cemetery in Arlington, Va., on Thursday in advance of Memorial Day weekend. President Donald Trump and first lady Melania Trump visited the cemetery as well, to take part in the "Flags In" tradition.

The changing of the guard at the Tomb of the Unknown Soldier. Photo by Pat Benic/UPI

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The changing of the guard at the Tomb of the Unknown Soldier. Photo by Pat Benic/UPI

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The amphitheater at the Tomb of the Unknown Soldier will host a tribute to veterans on Memorial Day. Photo by Pat Benic/UPI

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The amphitheater at the Tomb of the Unknown Soldier will host a tribute to veterans on Memorial Day. Photo by Pat Benic/UPI

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