Tourists enjoy coolness in the sea in Sanya, a tourist destination in south China's Hainan Province, Aug. 31, 2013. (Xinhua/Zhang Yongfeng)
Tourists enjoy coolness in the sea in Sanya, a tourist destination in south China's Hainan Province, Aug. 31, 2013. (Xinhua/Zhang Yongfeng)
A girl, accompanied by her father, swims in the sea in Sanya, a tourist destination in south China's Hainan Province, Aug. 31, 2013. (Xinhua/Zhang Yongfeng)