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Jang Ha Na of South Korea reacts during the first round of the HSBC Women's World Championship golf tournament in Singapore, on March 1, 2018. (Xinhua/Then Chih Wey)

Jang Ha Na of South Korea reacts during the first round of the HSBC Women's World Championship golf tournament in Singapore, on March 1, 2018. (Xinhua/Then Chih Wey)