Artists perform the Chinese classic dance drama "Flower Rains along Silk Road" in Dunhuang Grand Theater in Dunhuang, northwest China's Gansu Province, April 2, 2019. "Flower Rains along Silk Road", based on the typical dance featuring the Dunhuang Mogao Grottoes in Gansu, has toured more than 40 countries and regions and performed over 2,800 shows since 1979. The dance drama recreates the prosperity and art along the Silk Road during the reign of the Tang Dynasty (618-907). (Xinhua/Chen Bin)