Chinese submersible Jiaolong completes 2nd dive in Yap Trench

Staff workers untie a cable to China's manned submersible Jiaolong during its dive in Yap Trench, June 5, 2017. There will be five dives for Jiaolong in the Yap Trench, and the last dive is planned for June 12. The dives will focus on research in deep-sea biotic communities and gene resources, according to scientists on the ship Xiangyanghong 09. (Xinhua/Liu Shiping)