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

Staff disembark from the research vessel Kexue at a 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)