Jiaolong starts testing ahead of dive
Xinhua, May 23, 2017 Adjust font size:
Technicians prepare for the Jiaolong, China's manned submersible, on its mother ship Xiangyanghong 09, May 22, 2017. The ship arrived at the Mariana area Monday and started testing temperature, salinity and depth for Tuesday's dive in the Mariana Trench, the first of the expedition's third stage. (Xinhua/Liu Shiping)