Aerial photo taken on Aug. 12, 2020 shows an area after the desertification control work near the Xar Moron River in Hexigten Banner, north China's Inner Mongolia Autonomous Region. (Xinhua/Xu Qin)

Aerial photo taken on Aug. 12, 2020 shows an area after desertification control work near the Xar Moron River in Hexigten Banner, north China's Inner Mongolia Autonomous Region. (Xinhua/Liu Lei)

Photo taken on Aug. 12, 2020 shows a forest plantation near the Xar Moron River in Hexigten Banner, north China's Inner Mongolia Autonomous Region. (Xinhua/Liu Lei)

Combo photo shows an area near the Xar Moron River in Hexigten Banner, north China's Inner Mongolia Autonomous Region, after the desertification control work on Aug. 12, 2020 (top, Xinhua/Xu Qin), and before the desertification control work on April 5, 2017 (Xinhua).

Photo taken on Aug. 12, 2020 shows a sand barrier near the Xar Moron River in Hexigten Banner, north China's Inner Mongolia Autonomous Region. (Xinhua/Liu Lei)