Research vessel returns to Qingdao from 31-day scientific expedition to West Pacific

Staff members tether the research vessel Kexue at its home port in the Qingdao West Coast New Area in Qingdao, east China's Shandong Province, Nov. 5, 2018. The research vessel returned to Qingdao on Monday from a 31-day scientific expedition to the West Pacific. (Xinhua/Zhang Jingang)