Artists Katrin Bulke (R, Front) and Lai Jianping (L, Front) perform "Brindisi" from La Traviata during the Symphonic Concert of Centennial Classics in Lincoln Center, New York, the United States, on Sept. 15, 2019. The concert was staged here on Sunday to mark the 70th anniversary of the founding of the People's Republic of China and the 40th anniversary of the establishment of China-U.S. diplomatic relations. (Xinhua/Qin Lang)