Wong Sze Hang (front, L), first violinist of Shanghai Philharmonic Ochestra and Juliette Kang (front, R), first associate concertmaster of the Philadelphia Orchestra, perform during the Chinese New Year Concert co-hosted by the Philadelphia Orchestra and Shanghai Philharmonic Orchestra in Philadelphia, the U.S. state of Pennsylvania, Jan. 29, 2019. Chinese musicians teamed up with their U.S. counterparts on Tuesday at a special New Year concert in Philadelphia to mark the 40th anniversary of China-U.S. diplomatic relations. (Xinhua/Wang Ying)