Video PlayerClose
Students attend a lecture during an ocean awareness event held at Haichang Ocean Park in Qingdao, east China's Shandong Province, June 7, 2019. (Xinhua/Li Ziheng)
Students attend a lecture during an ocean awareness event held at Haichang Ocean Park in Qingdao, east China's Shandong Province, June 7, 2019. (Xinhua/Li Ziheng)