BEIJING, Sept. 2 (Xinhua) -- China's largest carrier rocket Long March-5 , which is carried by two special rocket-carrying ships Yuanwang-21 and Yuanwang-22, arrives at Qinglan Port in Wenchang, south China's Hainan Province, Sept. 1, 2016.

The Long March 5 is scheduled to make its first flight around the end of the year.