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Hak Shun Yat of China's Hong Kong competes during the fourth round of the Boao Open in Boao, south China's Hainan Province, on April 21, 2019. (Xinhua/Yang Guanyu)
Hak Shun Yat of China's Hong Kong competes during the fourth round of the Boao Open in Boao, south China's Hainan Province, on April 21, 2019. (Xinhua/Yang Guanyu)