Conductor Tan Dun reacts during the rehearsal before a Guangzhou Symphony Orchestra New Year Concert with Tan Dun as the conductor in Flagey, a culture house in Brussels, Belgium, Jan. 29, 2019. The concert was held to bring the audience the charm of eastern and western music and to celebrate the upcoming Chinese Lunar New Year that falls on Feb. 5 this year. (Xinhua/Zheng Huansong)