Boats start to compete during the Sanya In-Port competiton of 2017 Round Hainan Regatta off Sanya City, south China's Hainan Province, on March 18, 2017. (Xinhua/Yang Guanyu)
Boats start to compete during the Sanya In-Port competiton of 2017 Round Hainan Regatta off Sanya City, south China's Hainan Province, on March 18, 2017. (Xinhua/Yang Guanyu)