Photo taken on May 30, 2017 by China's manned submersible Jiaolong shows a fish in the Mariana Trench. Jiaolong dived to 6,699 meters during Tuesday's mission in the Mariana Trench. (Xinhua/COMRA)
Photo taken on May 30, 2017 by China's manned submersible Jiaolong shows a fish in the Mariana Trench. Jiaolong dived to 6,699 meters during Tuesday's mission in the Mariana Trench. (Xinhua/COMRA)