Yin Yuzhen (L, front) and Ronald Sakolsky (R, front) come back to Yin's home in Salawusu Village, Uxin Banner, north China's Inner Mongolia Autonomous Region, Aug. 24, 2026. Retired U.S. teacher Ronald Sakolsky, who once supported China's desertification control efforts, arrived in Ordos on Sunday and was reunited with his friend Yin Yuzhen, a national model worker who has been planting trees in the Maowusu Sandy Land for four decades. He then visited her home on Monday. (Xinhua/Sun Ruibo)