"Xiangyanghong 09", carrier of China's manned deep-sea submersible Jiaolong, is seen in Sanya, south China's Hainan Province, April 8, 2017. The crew of China's 38th ocean scientific expedition returned to Sanya, Hainan Province, south China, Wednesday. The 59-day trip marks the conclusion of the first stage of a 124-day mission. (Xinhua/Zhao Yingquan)
