Ronald Sakolsky (right) plants a tree with Yin Yuzhen (left) and her husband, Bai Wanxiang, at Yin's home in Uxin Banner of Ordos in North China's Inner Mongolia autonomous region on Monday. Sakolsky, a retired teacher from the United States who donated $5,000 in 1999 to support Yin's afforestation efforts, reunited with the desertification fighter on Sunday. see story, page 3