In the western part of the Qinghai-Tibet Plateau at an altitude of 4,300 meters, the land is barren, mostly sandstone, saline-alkali land and Gobi desert. Except for the drought-tolerant and cold-tolerant red willow and Bangong willow, many plants are difficult to grow. In shiquanhe town, Ali district, Xizang Autonomous Region, bright red and sweet strawberries can thrive here and fetch a good price.