Teenagers and mascot Yodli perform at the closing ceremony of the 2020 Winter Youth Olympic Games (YOG) in Lausanne, Switzerland, January 22. /Xinhua photo

This year, a total of 1,872 athletes from 79 countries and regions participate in the event, a record turnout in the history of Winter Youth Olympics. /Xinhua photo

International Olympic Committee President Thomas Bach waves the Olympic flag during the closing ceremony. /Xinhua photo

Lausanne 2020 Organising Committee President Virginie Faivre addresses the audience. /Xinhua photo