Aerial photo taken on June 13, 2019 shows people paving straw checkerboard sand barriers to prevent and control desertification in Changliushui desert area of Zhongwei City, northwest China's Ningxia Hui Autonomous Region. Located on the southern edge of the Tengger Desert, Zhongwei City has been curbing desertification by making straw checkerboard sand barriers and sowing with grass seeds. Some 1,470,000 mu (about 98,000 hectares) of desert has been processed in Zhongwei by the end of 2018. (Photos: Xinhua)

Aerial photo taken on June 12, 2019 shows the desert (L) and the area paved by straw checkerboard sand barriers in Changliushui desert area of Zhongwei City, northwest China's Ningxia Hui Autonomous Region. Located on the southern edge of the Tengger Desert, Zhongwei City has been curbing desertification by making straw checkerboard sand barriers and sowing with grass seeds. Some 1,470,000 mu (about 98,000 hectares) of desert has been processed in Zhongwei by the end of 2018.

People pave straw checkerboard sand barriers to prevent and control desertification in Changliushui desert area of Zhongwei City, northwest China's Ningxia Hui Autonomous Region, June 13, 2019. Located on the southern edge of the Tengger Desert, Zhongwei City has been curbing desertification by making straw checkerboard sand barriers and sowing with grass seeds. Some 1,470,000 mu (about 98,000 hectares) of desert has been processed in Zhongwei by the end of 2018.

People pave straw checkerboard sand barriers to prevent and control desertification in Changliushui desert area of Zhongwei City, northwest China's Ningxia Hui Autonomous Region, June 13, 2019. Located on the southern edge of the Tengger Desert, Zhongwei City has been curbing desertification by making straw checkerboard sand barriers and sowing with grass seeds. Some 1,470,000 mu (about 98,000 hectares) of desert has been processed in Zhongwei by the end of 2018.

Photo taken on June 13, 2019 shows people carrying straw in Changliushui desert area of Zhongwei City, northwest China's Ningxia Hui Autonomous Region. Located on the southern edge of the Tengger Desert, Zhongwei City has been curbing desertification by making straw checkerboard sand barriers and sowing with grass seeds. Some 1,470,000 mu (about 98,000 hectares) of desert has been processed in Zhongwei by the end of 2018.

Aerial photo taken on June 12, 2019 shows the desert (L) and the area paved by straw checkerboard sand barriers to prevent and control desertification in Changliushui desert area of Zhongwei City, northwest China's Ningxia Hui Autonomous Region. Located on the southern edge of the Tengger Desert, Zhongwei City has been curbing desertification by making straw checkerboard sand barriers and sowing with grass seeds. Some 1,470,000 mu (about 98,000 hectares) of desert has been processed in Zhongwei by the end of 2018.