Actors perform during the ballet Tchaikovsky in Beijing, capital of China, Oct. 2, 2019. The fourth China International Ballet Season opened in Beijing on Wednesday and will last until Jan. of 2020. (Xinhua/Jin Liangkuai)

Actors perform during the ballet Tchaikovsky in Beijing, capital of China, Oct. 2, 2019. The fourth China International Ballet Season opened in Beijing on Wednesday and will last until Jan. of 2020. (Xinhua/Jin Liangkuai)