![](http://www.ecns.cn/hd/2020/06/29/a3af947eea7d4fa3b7fa8d88499bbc7a.jpg)
Photo shows China's newly renovated deep-sea submersible mother ship Tansuo-2 (Exploration No. 2) in Sanya, Hainan Province, June 28, 2020. The ship has a total length of 87.2 meters, a full load displacement of 6,800 tons. (Photo/China News Service)
![](http://www.ecns.cn/hd/2020/06/29/862c9b1914da414191f4e8f1461e26af.jpg)
Photo shows China's newly renovated deep-sea submersible mother ship Tansuo-2 (Exploration No. 2) in Sanya, Hainan Province, June 28, 2020. The ship has a total length of 87.2 meters, a full load displacement of 6,800 tons. (Photo/China News Service)
![](http://www.ecns.cn/hd/2020/06/29/06dba3def0e04fae8db74ae7d14c2acf.jpg)
Photo shows China's newly renovated deep-sea submersible mother ship Tansuo-2 (Exploration No. 2) in Sanya, Hainan Province, June 28, 2020. The ship has a total length of 87.2 meters, a full load displacement of 6,800 tons. (Photo/China News Service)
![](http://www.ecns.cn/hd/2020/06/29/47a909a08b3447ef9f003a87e591feee.jpg)
Photo shows China's newly renovated deep-sea submersible mother ship Tansuo-2 (Exploration No. 2) in Sanya, Hainan Province, June 28, 2020. The ship has a total length of 87.2 meters, a full load displacement of 6,800 tons. (Photo/China News Service)