Cast members of film "Chinese Peacekeeping Forces" take a photo during a press conference in Beijing, capital of China, July 31, 2017. The film tells the heroic stories of Chinese peacekeepers in Africa. China has been a staunch supporter of and an active participant in United Nations peacekeeping operations. It's the largest troop-contributor among the permanent members of the Security Council and second largest contributor to the peacekeeping budget. (Xinhua/Jin Liangkuai)
