The flag of Beijing 2022 Winter Olympic Games is shown on the Great Wall during cultural activities to welcome the Beijing 2022 Olympic Winter Games' 500-day countdown in Badaling, Yanqing District of Beijing, capital of China, Sept. 20, 2020. (Photo: China News Service/Fu Tian)
Dancers perform during cultural activities to welcome the Beijing 2022 Olympic Winter Games' 500-day countdown in Badaling, Yanqing District of Beijing, capital of China, Sept. 20, 2020. (Photo: China News Service/Fu Tian)
Dancers perform during cultural activities to welcome the Beijing 2022 Olympic Winter Games' 500-day countdown in Badaling, Yanqing District of Beijing, capital of China, Sept. 20, 2020. (Photo: China News Service/Fu Tian)
Cultural activities are held to welcome the Beijing 2022 Olympic Winter Games' 500-day countdown in Badaling, Yanqing District of Beijing, capital of China, Sept. 20, 2020. (Photo: China News Service/Fu Tian)