China's ROV obtains over 500 collections of biological samples in western Pacific Ocean

The remote operated vehicle (ROV) Discovery, aboard China's research vessel KEXUE (Science), dives into the western Pacific Ocean, June 7, 2019. Departing from Qingdao in east China on May 18, KEXUE is carrying out a 20-day investigation over a series of seamounts in the western Pacific Ocean and is scheduled to go back to Xiamen of China's Fujian Province on June 23. (Xinhua/Zhang Xudong)