
A photo taken aboard the Chinese research vessel Shiyan 3 shows dolphins in the waters of the Makran Trench in the northern Indian Ocean, Jan. 15, 2018. (Photo/Xinhua)
A photo taken aboard the Chinese research vessel Shiyan 3 shows dolphins in the waters of the Makran Trench in the northern Indian Ocean, Jan. 15, 2018. (Photo/Xinhua)