CHENGDU, July 22, 2016 (Xinhua) -- Relatives hold portrait and bone ash of deceased Chinese UN peacekeeper Li Lei as they attend the burial ceremony in Chengdu, capital of southwest China's Sichuan Province, July 22, 2016. Chinese UN peacekeepers Li Lei and Yang Shupeng were killed on the evening of July 10 after a mortar shell hit their armored vehicle during fighting between two army factions in Juba, capital of South Sudan. (Xinhua/Liu Kun)