A firefighter salutes during a ceremony marking the 20th anniversary of 9/11 attacks, in Grapevine, Texas, the United States, on Sept. 11, 2021. (Photo by Dan Tian/Xinhua)
U.S. marks 20th anniv. of 9/11 attacks
Source: Xinhua| 2021-09-12 07:22:37|Editor: huaxia