
World War II vintage aircraft fly near the Washington Monument in Washington D.C., capital of the United States, May 8, 2015. Diverse arrays of U.S. World War II aircraft flew over the capital Washington D.C. Friday, commemorating the 70th anniversary of World War II victory in Europe. (Xinhua/Yin Bogu)

World War II vintage aircraft fly over Washington D.C., capital of the United States, May 8, 2015. Diverse arrays of U.S. World War II aircraft flew over the capital Washington D.C. Friday, commemorating the 70th anniversary of World War II victory in Europe. (Xinhua/Lei Bosong)

People view World War II vintage aircraft flying over Washington D.C., capital of the United States, May 8, 2015. Diverse arrays of U.S. World War II aircraft flew over the capital Washington D.C. Friday, commemorating the 70th anniversary of World War II victory in Europe. (Xinhua/Lei Bosong)

World War II vintage aircraft fly near the Washington Monument in Washington D.C., capital of the United States, May 8, 2015. Diverse arrays of U.S. World War II aircraft flew over the capital Washington D.C. Friday, commemorating the 70th anniversary of World War II victory in Europe. (Xinhua/Yin Bogu)

people take photos of World War II vintage aircraft flying over Washington D.C., capital of the United States, May 8, 2015. Diverse arrays of U.S. World War II aircraft flew over the capital Washington D.C. Friday, commemorating the 70th anniversary of World War II victory in Europe. (Xinhua/Yin Bogu)

World War II vintage aircraft fly near the Washington Monument in Washington D.C., capital of the United States, May 8, 2015. Diverse arrays of U.S. World War II aircraft flew over the capital Washington D.C. Friday, commemorating the 70th anniversary of World War II victory in Europe. (Xinhua/Yin Bogu)