People participate in folk performances at the Chinatown in San Francisco, the United States, Jan. 18, 2020. Celebrations of Chinese Lunar New Year was launched in the city's Chinatown on Saturday. Photo:Xinhua

A woman participates in folk performances at the Chinatown in San Francisco, the United States, Jan. 18, 2020. Celebrations of Chinese Lunar New Year was launched in the city's Chinatown on Saturday. Photo:Xinhua