
Photo taken on May 9, 2019 shows a landscape of Kubuqi Desert formed by water of the Yellow River in ice flood period in Hangjin Banner, north China's Inner Mongolia autonomous region. Inner Mongolia autonomous region lies at the forefront of China's fight against desertification. The region's afforestation efforts will consolidate its role as an important ecological barrier protecting northern China. Afforestation of Kubuqi Desert has reached 3,200 square kilometres in recent years which changed the environment tremendously. In 2014, The United Nations Environment Program (UNEP) announced that Kubuqi Desert is an ecological economy demonstration zone. [Photo/Xinhua]

Aerial photo taken on April 26, 2019 shows a view of Kubuqi Desert Park in Hangjin Banner, north China's Inner Mongolia autonomous region. Inner Mongolia autonomous region lies at the forefront of China's fight against desertification. The region's afforestation efforts will consolidate its role as an important ecological barrier protecting northern China. Afforestation of Kubuqi Desert has reached 3,200 square kilometres in recent years which changed the environment tremendously. In 2014, The United Nations Environment Program (UNEP) announced that Kubuqi Desert is an ecological economy demonstration zone. [Photo/Xinhua]

Aerial photo taken on July 11, 2018 shows a view in Kubuqi Desert in Hangjin Banner, north China's Inner Mongolia autonomous region. Inner Mongolia autonomous region lies at the forefront of China's fight against desertification. The region's afforestation efforts will consolidate its role as an important ecological barrier protecting northern China. Afforestation of Kubuqi Desert has reached 3,200 square kilometres in recent years which changed the environment tremendously. In 2014, The United Nations Environment Program (UNEP) announced that Kubuqi Desert is an ecological economy demonstration zone. [Photo/Xinhua]

Photo taken on May 8, 2019 shows the Dalad Photovoltaic Power Base in the Kubuqi Desert in north China's Inner Mongolia autonomous region. Inner Mongolia autonomous region lies at the forefront of China's fight against desertification. The region's afforestation efforts will consolidate its role as an important ecological barrier protecting northern China. Afforestation of Kubuqi Desert has reached 3,200 square kilometres in recent years which changed the environment tremendously. In 2014, The United Nations Environment Program (UNEP) announced that Kubuqi Desert is an ecological economy demonstration zone. [Photo/Xinhua]

Aerial photo taken on Aug. 1, 2018 shows a sand dune reserved by an eco-technology center at the Kubuqi Desert in Hangjin Banner, north China's Inner Mongolia autonomous region. Inner Mongolia autonomous region lies at the forefront of China's fight against desertification. The region's afforestation efforts will consolidate its role as an important ecological barrier protecting northern China. Afforestation of Kubuqi Desert has reached 3,200 square kilometres in recent years which changed the environment tremendously. In 2014, The United Nations Environment Program (UNEP) announced that Kubuqi Desert is an ecological economy demonstration zone. [Photo/Xinhua]

Afforestation workers go to a planting area in Yinkentala Desert in Dalad Banner, north China's Inner Mongolia autonomous region. April 1, 2019. Inner Mongolia autonomous region lies at the forefront of China's fight against desertification. The region's afforestation efforts will consolidate its role as an important ecological barrier protecting northern China. Afforestation of Kubuqi Desert has reached 3,200 square kilometres in recent years which changed the environment tremendously. In 2014, The United Nations Environment Program (UNEP) announced that Kubuqi Desert is an ecological economy demonstration zone. [Photo/Xinhua]

Aerial photo taken on July 11, 2018 shows a view of Kubuqi Desert Park, north China's Inner Mongolia autonomous region. Inner Mongolia autonomous region lies at the forefront of China's fight against desertification. The region's afforestation efforts will consolidate its role as an important ecological barrier protecting northern China. Afforestation of Kubuqi Desert has reached 3,200 square kilometres in recent years which changed the environment tremendously. In 2014, The United Nations Environment Program (UNEP) announced that Kubuqi Desert is an ecological economy demonstration zone. [Photo/Xinhua]

Aerial photo taken on May 7, 2019 shows a view of an artificial lake in ecological demonstration zone of Engebei in Kubuqi Desert, north China's Inner Mongolia autonomous region. Inner Mongolia autonomous region lies at the forefront of China's fight against desertification. The region's afforestation efforts will consolidate its role as an important ecological barrier protecting northern China. Afforestation of Kubuqi Desert has reached 3,200 square kilometres in recent years which changed the environment tremendously. In 2014, The United Nations Environment Program (UNEP) announced that Kubuqi Desert is an ecological economy demonstration zone. [Photo/Xinhua]

Aerial photo taken on July 11, 2018 shows a view of Kubuqi Desert Park, north China's Inner Mongolia autonomous region. Inner Mongolia autonomous region lies at the forefront of China's fight against desertification. The region's afforestation efforts will consolidate its role as an important ecological barrier protecting northern China. Afforestation of Kubuqi Desert has reached 3,200 square kilometres in recent years which changed the environment tremendously. In 2014, The United Nations Environment Program (UNEP) announced that Kubuqi Desert is an ecological economy demonstration zone. [Photo/Xinhua]

Photo taken on June 9, 2018 shows wetlands formed by water of the Yellow River in ice flood period in Kubuqi Desert, north China's Inner Mongolia autonomous region. Inner Mongolia autonomous region lies at the forefront of China's fight against desertification. The region's afforestation efforts will consolidate its role as an important ecological barrier protecting northern China. Afforestation of Kubuqi Desert has reached 3,200 square kilometres in recent years which changed the environment tremendously. In 2014, The United Nations Environment Program (UNEP) announced that Kubuqi Desert is an ecological economy demonstration zone. [Photo/Xinhua]

Photo taken on April 18, 2019 shows the Inner Mongolia Garden of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) in Yanqing District of Beijing, capital of China. Inner Mongolia autonomous region lies at the forefront of China's fight against desertification. The region's afforestation efforts will consolidate its role as an important ecological barrier protecting northern China. Afforestation of Kubuqi Desert has reached 3,200 square kilometres in recent years which changed the environment tremendously. In 2014, The United Nations Environment Program (UNEP) announced that Kubuqi Desert is an ecological economy demonstration zone. [Photo/Xinhua]