Lhasa North-South Mountain Greening Project, centered on Lhasa City, and took the Lhasa River as the main line, spanning nearly 200 kilometers, covering 9 counties and districts, 35 townships and streets of Lhasa and Shannan cities. It's a world-class problem to plant trees at an altitude of 3600 meters at plateau.

Reporter: Zhang Shu, Peng Qing, Drakpa Wangchen

Translator: Peng Qing, Liu Fang

Review: Li Chengye, Dong Xiuli