Exhibition on music and dancing along ancient Silk Road held in Zhengzhou, C China

A visitor looks at a jade flute during an exhibition on music and dancing along the ancient Silk Road in Zhengzhou, central China's Henan Province, on Nov. 19, 2019. More than 280 artifacts dating back to ancient China's Han, Tang, Song and Yuan dynasties are on display during the exhibition. (Xinhua/Li An)