Apollinariia Panfilova (top)/Dmitry Rylov of Russia perform during the Pair Skating Short Program of figure skating event at the Lausanne 2020 Winter Youth Olympic Games (YOG) in Lausanne, Switzerland, Jan 10, 2020. [Photo/Xinhua]

Diana Mukhametzianova (L)/Ilya Mironov of Russia perform during the Pair Skating Short Program of figure skating event at the Lausanne 2020 Winter Youth Olympic Games (YOG) in Lausanne, Switzerland, Jan 10, 2020. [Photo/Xinhua]

Wang Yuchen (top)/Huang Yihang of China perform during the Pair Skating Short Program of figure skating event at the Lausanne 2020 Winter Youth Olympic Games (YOG) in Lausanne, Switzerland, Jan 10, 2020. [Photo/Xinhua]

Chen Yudong of China performs during the Men's Single Skating Short Program of figure skating event at the Lausanne 2020 Winter Youth Olympic Games (YOG) in Lausanne, Switzerland, Jan 10, 2020. [Photo/Xinhua]

Jeremiah Vaille of the US in action during the Men's Individual Ski Mountaineering at the Lausanne 2020 Winter Youth Olympic Games (YOG) in Lausanne, Switzerland, Jan 10, 2020. [Photo/Agencies]

Russia's Andrei Mozalev in action during the Men's Single Skating Short Program of figure skating event at the Lausanne 2020 Winter Youth Olympic Games (YOG) in Lausanne, Switzerland, Jan 10, 2020. [Photo/Agencies]

Russia's Daniil Samsonov in action during Men's Single Skating Short Program of figure skating event at the Lausanne 2020 Winter Youth Olympic Games (YOG) in Lausanne, Switzerland, Jan 10, 2020. [Photo/Agencies]