A 26-year promise: how a $5,000 gift turned a desert into a forest

Over 20 years ago, an American named Ronald Sakolsky gave financial support to Yin Yuzhen, a Chinese desert control worker, for her tree-planting effort. Just recently, Ronald, now an elderly man, returned to China. He saw with his own eyes that the desert back then had turned into a lush forest. Watch the full story.