Actors perform in a children's musical featuring the mascots of Beijing 2022 Olympic Winter Games Bing Dwen Dwen and Beijing 2022 Paralympic Winter Games Shuey Rhon Rhon in Beijing, capital of China, Feb. 12, 2021. The children's musical created and performed by Beijing Children's Art Theater, was staged in Beijing on Saturday. (Xinhua/Jin Liangkuai)

Actors perform in a children's musical featuring the mascots of Beijing 2022 Olympic Winter Games Bing Dwen Dwen and Beijing 2022 Paralympic Winter Games Shuey Rhon Rhon in Beijing, capital of China, Feb. 12, 2021. The children's musical created and performed by Beijing Children's Art Theater, was staged in Beijing on Saturday. (Xinhua/Jin Liangkuai)

Actors perform in a children's musical featuring the mascots of Beijing 2022 Olympic Winter Games Bing Dwen Dwen and Beijing 2022 Paralympic Winter Games Shuey Rhon Rhon in Beijing, capital of China, Feb. 12, 2021. The children's musical created and performed by Beijing Children's Art Theater, was staged in Beijing on Saturday. (Xinhua/Jin Liangkuai)

Actors perform in a children's musical featuring the mascots of Beijing 2022 Olympic Winter Games Bing Dwen Dwen and Beijing 2022 Paralympic Winter Games Shuey Rhon Rhon in Beijing, capital of China, Feb. 12, 2021. The children's musical created and performed by Beijing Children's Art Theater, was staged in Beijing on Saturday. (Xinhua/Jin Liangkuai)

Actors perform in a children's musical featuring the mascots of Beijing 2022 Olympic Winter Games Bing Dwen Dwen and Beijing 2022 Paralympic Winter Games Shuey Rhon Rhon in Beijing, capital of China, Feb. 12, 2021. The children's musical created and performed by Beijing Children's Art Theater, was staged in Beijing on Saturday. (Xinhua/Jin Liangkuai)

Actors perform in a children's musical featuring the mascots of Beijing 2022 Olympic Winter Games Bing Dwen Dwen and Beijing 2022 Paralympic Winter Games Shuey Rhon Rhon in Beijing, capital of China, Feb. 12, 2021. The children's musical created and performed by Beijing Children's Art Theater, was staged in Beijing on Saturday. (Xinhua/Jin Liangkuai)