时光相册·“唤醒”旧时光丨治沙这件事，他们做了一辈子

Core Viewpoint - The article highlights the efforts and achievements in combating desertification in the Mu Us Desert, particularly in Yulin City, Shaanxi Province, showcasing the dedication of local individuals and communities in transforming the landscape from barren to green through tree planting and other initiatives [2][21]. Group 1: Historical Context - The Mu Us Desert covers an area of 42,200 square kilometers, with one-third located along the Great Wall in Yulin City [2]. - Historical photographs illustrate the severe impact of desertification, such as houses and roads being buried by sand in the 1950s [4][6]. Group 2: Key Figures and Contributions - Notable figures like Shi Guangyin and Niu Yuqin have played significant roles in the fight against desertification, with Shi creating a model that combines sand control with economic development [9][10]. - Niu Yuqin, starting in 1985, sold all her possessions to buy tree seedlings, ultimately establishing a green barrier of 110,000 acres in the Mu Us Desert [12][13]. Group 3: Community Efforts - The local population, including a group of female militia members, actively participated in combating sand encroachment, with 54 young women leading efforts in the 1970s [17][18]. - Over generations, the community has effectively managed 8.6 million acres of shifting sand, achieving a "forest advancing, sand retreating" phenomenon [21]. Group 4: Current Status and Future Outlook - The transformation of the Mu Us Desert has resulted in a vibrant ecosystem, with the region now characterized by greenery and improved environmental conditions [24][26]. - The ongoing efforts in afforestation and land management continue to enhance the ecological landscape of Yulin, contributing to a healthier environment [26].