Mao Naiguo, head of the Chinese PLA delegation for international communication, addresses a photo exhibition at the United Nations (UN) headquarters in New York, Feb. 11, 2019. An exhibition on China's peacekeeping input was launched Monday evening at the UN headquarters. With the theme "CPLA (Chinese People's Liberation Army): A Force for World Peace," the exhibition displays four sections of pictures, featuring Chinese military's participation in UN peacekeeping missions, securing maritime passages, disaster relief and humanitarian assistance, as well as exchanges and cooperation. (Xinhua/Li Muzi)