Infants have fun with their parents in Chengbei baby center of Chengguan Township, Ningshan County, northwest China's Shaanxi Province on May 11, 2019. Lying deep in the heart of the Qinling Mountains, Ningshan is a state-supported impoverished county. (Photo: Xinhua)
Teacher Yue Youlin tells stories with a picture book for infants in Chengnan baby center of Chengguan Township, Ningshan County, northwest China's Shaanxi Province on May 11, 2019. Lying deep in the heart of the Qinling Mountains, Ningshan is a state-supported impoverished county. (Photo: Xinhua)
Infants have fun with their parents in Chengbei baby center of Chengguan Township, Ningshan County, northwest China's Shaanxi Province on May 11, 2019. (Photo: Xinhua)
Infants have fun with their parents in a baby center of Huayan Village, Tangping Township, Ningshan County, northwest China's Shaanxi Province on May 11, 2019. Lying deep in the heart of the Qinling Mountains, Ningshan is a state-supported impoverished county. (Photo: Xinhua)