Actors perform during a New Year's Eve countdown celebration at the Shougang Park in Beijing, capital of China, Dec. 31, 2019. A New Year's Eve countdown celebration cum opening ceremony of the 4th Beijing Ice and Snow Cultural Tourism Festival is held here on Tuesday. (Xinhua/Ren Chao)

Actors perform during a New Year's Eve countdown celebration at the Shougang Park in Beijing, capital of China, Dec. 31, 2019. A New Year's Eve countdown celebration cum opening ceremony of the 4th Beijing Ice and Snow Cultural Tourism Festival is held here on Tuesday. (Xinhua/Ren Chao)

Actors perform during a New Year's Eve countdown celebration at the Shougang Park in Beijing, capital of China, Dec. 31, 2019. A New Year's Eve countdown celebration cum opening ceremony of the 4th Beijing Ice and Snow Cultural Tourism Festival is held here on Tuesday. (Xinhua/Ren Chao)