A 17-meter high Chinese knot-shaped decoration, featuring Beijing 2022, is set up on the Tiananmen Square in Beijing, in celebration of the Winter Olympics and the Spring Festival, as the Games will kick off during the auspicious Chinese New Year holiday on February 4. /CFP

Residents in Beijing take photos in front of the 20-day countdown to the Beijing Winter Olympics screen in downtown Beijing, January 14, 2022. /CFP

The Olympic traffic lanes in Beijing will be put into use from January 21, 2022. /CFP

The interior of a hotel in Beijing which is designated to host Olympic officials, broadcasters and marketing partners during the Games. /CFP

A high speed train featuring ice and snow elements runs between Beijing and co-host city Zhangjiakou in Hebei Province. /CFP

A general view of the Olympic village at the Yanqing competition zone in suburban Beijing, January 14, 2022. /CFP

A general view of the National Alpine Ski Center ahead of the Beijing Winter Olympics in Beijing, January 14, 2022. /CFP

A booth for city volunteers of the Beijing Winter Olympics is seen in the downtown street of Wangfujing in Beijing, January 14, 2022. /CFP

Beijing Winter Olympics mascots outside the high speed train station in Zhangjiakou, Hebei Province after snowfall, January 12, 2022. /CFP

A Winter Olympic emblem is seen in Chongli, Zhangjiakou, Hebei Province, where most snow events will be hosted during the Games, January 12, 2022. /CFP