This photo taken on Oct. 20, 2021 shows the cauldron during the welcoming ceremony for the flame of Olympic Winter Games at the Olympic Tower in Beijing.
A snowmaking machine works at a ski field in Chongli District of Zhangjiakou City, north China's Hebei Province, Oct. 19, 2021.
A staff member patrols at the seats of Yunding Ski Resort in Chongli of Zhangjiakou City, north China's Hebei Province, Nov. 16, 2021.
The Beijing 2022 Winter Olympics(Beijing 2022), which is scheduled to kick off next February, is set to make history as it will become the first ever Olympic Games fully powered by green energy. Climate activists have long criticized the Olympics Games for the environmental damage the international sporting competition generates through construction, long-distance transportation, and the accumulation of waste.