Rock-picking painting artist Sheng Aiping (R) guides her daughter to create a piece in Jiayuguan, northwest China's Gansu Province, April 2, 2020. The rock-picking painting is an old art created with rock and sand from the desert. The craftsmanship has been inscribed in the provincial intangible cultural heritage list of Gansu. (Photo by Du Zheyu/Xinhua)
