Students attend a Halloween parade at an elementary school in Arlington, Virginia, the United States, Oct. 31, 2016. (Xinhua/Yin Bogu)
Students attend a Halloween parade at an elementary school in Arlington, Virginia, the United States, Oct. 31, 2016. (Xinhua/Yin Bogu)
A girl attends a Halloween parade at an elementary school in Arlington, Virginia, the United States, Oct. 31, 2016. (Xinhua/Yin Bogu)
Students attend a Halloween parade at an elementary school in Arlington, Virginia, the United States, Oct. 31, 2016. (Xinhua/Yin Bogu)
Students attend a Halloween parade at an elementary school in Arlington, Virginia, the United States, Oct. 31, 2016. (Xinhua/Yin Bogu)
Students attend a Halloween parade at an elementary school in Arlington, Virginia, the United States, Oct. 31, 2016. (Xinhua/Yin Bogu)
