Scientific researchers from the Xishuangbanna Tropical Botanical Garden of the Chinese Academy of Sciences conduct a field survey on local plant species in the forest in Medog county, Nyingchi, Southwest China’s Xizang Autonomous Region in October 2025. Located in the middle and lower reaches of the Yarlung Zangbo River on the southeastern Qinghai-Xizang Plateau, Medog sits at the heart of one of the world’s biodiversity hotspots. Photos: Li Hao/GT