Aerial photo taken on Aug. 1, 2018 shows the solar power farm built at the Kubuqi Desert in north China's Inner Mongolia Autonomous Region. Kubuqi, the seventh largest desert in China, is a good example of China's success in alleviating desertification. About 6,460 square kilometers of the Kubuqi desert has been reclaimed in the last 30 years. (Xinhua/Yu Dongsheng)