Champion Norway's Havard Lorentzen (C), second-placed South Korea's Cha Min Kuy (R) and third-placed China's Gao Tingyu pose for photos during medal ceremony of men's 500m event of speed skating at 2018 PyeongChang Winter Olympic Games at Medal Plaza, PyeongChang, South Korea, Feb. 20, 2018. (Xinhua/Wu Zhuang)