China's research vessel finishes investigation of seamounts in Western Pacific

China's research vessel KEXUE (Science) sails at night in western Pacific Ocean on June 15, 2019. China's research vessel KEXUE (Science) finished its investigation of seamounts in the west of the Pacific Ocean and started to sail back on Saturday evening. KEXUE is scheduled to arrive in Xiamen of China's Fujian Province on June 23. (Xinhua/Zhang Xudong)