![CHINA-MARIANA TRENCH-JIAOLONG-DIVE (CN)](http://www.xinhuanet.com//english/2017-06/01/136331365_14962994839471n.jpg)
China's manned submersible "Jiaolong" is despatched on its fifth, and last, dive of the year in the Mariana Trench, June 1, 2017. Jiaolong will descend to a depth of 6,700 meters. The mission is the third and final stage of China's 38th oceanic scientific expedition, which features surveys in the Yap and Mariana trenches. (Xinhua/Liu Shiping)