LHASA, July 24 (Xinhua) -- To Dorje, every day from mid-June to late August, his major assignment is transporting saplings up the Shigar mountain in Lhasa, capital of southwest China's Xizang Autonomous Region.
While having been doing so for over a decade, the way he does it now has completely been altered.
"Initially we carried these saplings to the top on foot, which took up to eight hours. Later, we re
