U.S. marks 20th anniv. of 9/11 attacks (3)

Relatives read victims' names during a commemoration ceremony of the 20th anniversary of the 9/11 attacks in New York, the United States, on Sept. 11, 2021. The commemoration ceremony was held here on Saturday to mark the 20th anniversary of the 9/11 attacks. (Xinhua/Wang Ying)