China's unmanned submersible "Hailong III" is seen from its mothership Dayang Yihao (Ocean No. 1) during a research mission in the southwestern Indian Ocean, April 11, 2019. The submersible dived three times, collecting samples of different aquatic creatures, clean sea water and deep-sea sediments. (Photo: China News Service/Fu Tengfei)
A sea creature collected by China's unmanned submersible "Hailong III", which launched from mothership Dayang Yihao (Ocean No. 1), during a research mission in the southwestern Indian Ocean, April 11, 2019. (Photo: China News Service/Fu Tengfei
A sea creature collected by China's unmanned submersible "Hailong III", which launched from mothership Dayang Yihao (Ocean No. 1), during a research mission in the southwestern Indian Ocean, April 11, 2019. (Photo: China News Service/Fu Tengfei
A sea creature collected by China's unmanned submersible "Hailong III", which launched from mothership Dayang Yihao (Ocean No. 1), during a research mission in the southwestern Indian Ocean, April 11, 2019. (Photo: China News Service/Fu Tengfei
