Violinist Lyu Siqing (L) reacts during the Chinese folk music performance "Enchanting China" held in San Francisco, the United States, on June 23, 2019. Presented by the China Broadcasting Performing Arts Troupe, the performance featured diversified forms of traditional Chinese art, such as orchestral music, Peking Opera, violin concerto and Banhu (an ancient traditional Chinese stringed instrument) concerto. (Xinhua/Wu Xiaoling)