People attend a wreath-laying ceremony marking the 70th anniversary of the end of World War II at the US Air Force Memorial in Arlington, Virginia, the United States, Aug. 14, 2015. (Xinhua/Yin Bogu)

Soldiers of honor guard stand during a wreath-laying ceremony marking the 70th anniversary of the end of World War II at the US Air Force Memorial in Arlington, Virginia, the United States, Aug. 14, 2015. (Xinhua/Yin Bogu)

A World War II vetetan walks past a soldier of honor guard during a wreath-laying ceremony marking the 70th anniversary of the end of World War II at the US Air Force Memorial in Arlington, Virginia, the United States, Aug. 14, 2015. (Xinhua/Yin Bogu)

People attend a wreath-laying ceremony marking the 70th anniversary of the end of World War II at the US Air Force Memorial in Arlington, Virginia, the United States, Aug. 14, 2015. (Xinhua/Yin Bogu)

People attend a wreath-laying ceremony marking the 70th anniversary of the end of World War II at the US Air Force Memorial in Arlington, Virginia, the United States, Aug. 14, 2015. (Xinhua/Yin Bogu)

A soldier of honor guard stands during a wreath-laying ceremony marking the 70th anniversary of the end of World War II at the US Air Force Memorial in Arlington, Virginia, the United States, Aug. 14, 2015. (Xinhua/Yin Bogu)