Children feed a dolphin on the Boundary Island in Lingshui County, south China's Hainan Province, April 30, 2017. Chinese people are enjoying their three-day holiday which falls on April 29 to May 1.(Xinhua/Zhao Yingquan)
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Children feed a dolphin on the Boundary Island in Lingshui County, south China's Hainan Province, April 30, 2017. Chinese people are enjoying their three-day holiday which falls on April 29 to May 1.(Xinhua/Zhao Yingquan)
