One Earth, One Promise: a story about an American middle-school teacher and a Chinese desertification fighter

After 26 years apart, American middle-school teacher Ronald Sakolsky traveled to the Mu Us Desert in Inner Mongolia of China to reunite with Chinese desertification fighter Yin Yuzhen. No shared language, yet they understood each other. Up to now, 80% of this sandy land has turned green, and a new generation worldwide is carrying on the work. A promise planted long ago has become a living legacy. A CGTN production: One Earth, One Promise.