Crew members of the "Yuanwang 21" transport ship, which carries the Long March-7 carrier rocket, celebrate as they arrive at Qinglan Harbor in Wenchang, south China's Hainan Province, May 14, 2016. The rocket will soon be taken to the Wenchang satellite launch center by road and test for its maiden launch late June. (Photo: Xinhua/Guocheng)
