Gold medalist China's Wu Dajing (C), silver medalist South Korea's Hwang Daeheon (L) and bronze medalist South Korea's Lim Hyojun pose for photos during medal ceremony of men's 500m event of short track speed skating at the 2018 PyeongChang Winter Olympic Games at Medal Plaza, PyeongChang, South Korea, Feb. 23, 2018. (Xinhua/Bai Xuefei)