Underwater patrols conducted to maintain equipment, clean environment in China's Hainan

A staff member cleans the fishing net that entangled coral at the marine ranching of the Wuzhizhou Island scenic area in Sanya, south China's Hainan Province, Jan. 12, 2020. Staff members of the Wuzhizhou Island scenic area conducted their daily patrols to maintain the underwater equipment and clean up waste at the marine ranching on Sunday. (Xinhua/Yang Guanyu)