Students perform Anhui Opera at Daning Theater in east China's Shanghai, Sept. 24, 2019. Students from Yangtze River Delta region put on a performance in Shanghai Tuesday to celebrate the 70th anniversary of the founding of the People's Republic of China. (Photo: Xinhua)

Students perform Peking Opera at Daning Theater in east China's Shanghai, Sept. 24, 2019. Students from Yangtze River Delta region put on a performance in Shanghai Tuesday to celebrate the 70th anniversary of the founding of the People's Republic of China. (Photo: Xinhua)

Students sing in a chorus performance at Daning Theater in east China's Shanghai, Sept. 24, 2019. Students from Yangtze River Delta region put on a performance in Shanghai Tuesday to celebrate the 70th anniversary of the founding of the People's Republic of China. (Photo: Xinhua)