Artists of Zhejiang Symphony Orchestra perform at Chicago Symphony Center in Chicago, the United States, on Feb. 17, 2018. As part of Chinese New Year celebrations, a troupe of southwest China's Chongqing Chuanju (Sichuan Opera) Theater, and the Zhejiang Symphony Orchestra from east China's Zhejiang Province presented traditional Chinese opera and music to U.S. audience at the Chicago Symphony Center on Saturday. (Xinhua/Wang Ping)