Pianist Wu Muye performs "Defend the Yellow River" at a gala held to celebrate the 70th founding anniversary of the People's Republic of China in Guangzhou, capital of south China's Guangdong Province, Sept. 28, 2019. Artists and audience from Guangdong, Hong Kong and Macao attended the gala on Saturday to celebrate the 70th founding anniversary of the People's Republic of China. (Photo by Hu Nayun/Xinhua)