Swiss freestyle skier Hoefflin wins women's slopestyle at PyeongChang Olympics

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Switzerland's Mathilde Gremaud competes during the women's ski slopestyle of freestyle skiing at the 2018 PyeongChang Winter Olympic Games, at Phoenix Snow Park, South Korea, on Feb. 17, 2018. Mathilde Gremaud won the silver medal with 88.00 points. (Xinhua/Fei Maohua)