XINHUA-PICTURES OF THE YEAR 2021-WORLD NEWS

(220106) -- BEIJING, Jan. 6, 2022 (Xinhua) -- The handover ceremony of a key operating base of the U.S. forces is held at Camp Antonik in Helmand province, Afghanistan, May 2, 2021. U.S. and NATO troops began to pull out from Afghanistan on May 1, 2021. (Xinhua)