Joel Gisler (1st R) of the Swizerland gets injured and leaves the course during men's ski halfpipe qualification of freestyle skiing at the 2018 PyeongChang Winter Olympic Games at Phoenix Snow Park, PyeongChang, South Korea, Feb. 20, 2018. Joel Gisler failed to enter the next round with 59.80 points. (Xinhua/Lui Siu Wai)