After more than 70 years of trying to hold back the desert by planting trees, afforestation is an important part of the lives of the people in Zhangwu County, Northeast China’s Liaoning Province.

This is a comparison of Oulishan Mountain in Zhangwu County, Liaoning Province in 2018 and 2022.

Today, Zhangwu is covered with large pine forests, and Fuxin City that administers the county has built a forest belt with a length of more than 1,000 kilometers. This belt not only prevents the Horqin Sandy Land from spreading southward, but also compresses its southern edge northward by 13 km.