U.S. military personnel fold the American flag which was draped over the casket of Marjory Stoneman Douglas High School student Peter Wang at his burial service in North Lauderdale, Florida, Feb. 20, 2018. Peter Wang, 15, was reportedly holding the door to his study hall open to help dozens of his fellow classmates escape on Feb. 14 before he was shot multiple times and killed by gunman Nikolas Cruz. (Photo/Agencies)
