A maze of forest belts have been built along the middle reaches of Yarlung Zangbo River to defend wind and retain sand[Photo by Phurbu Tashi from Xinhua]

The Tibet Autonomous Region has strengthened afforestation to protect "mother river on plateau" in recent years,  millions acres of green belts have been built along the middle reaches of the Yarlung Zangbo River.

A maze of forest belts have been built along the middle reaches of Yarlung Zangbo River to defend wind and retain sand[Photo by Phurbu Tashi from Xinhua]