A sheepherder along the bank of the Yellow River, Shizuishan City, Ningxia

Fumes and dust are everywhere in the Hubin Industrial District, near Shizuishan City, Ningxia

Defending the border region of Shanxi-Gansu-Ningxia

A family of five children emigrated to Inner Mongolia from Xiji County in nearby Ningxia Hui Autonomous Region to find work in the Heilonggui Industrial District. The eldest child is 9, the youngest is less than two