Thangu and Chopta Valley Belt: A High-Altitude Chronicle of Pastoral Landscapes, Sacred Frontiers, and Alpine Ecology Entering the Upper Himalayan Pasturelands The Thangu and Chopta Valley belt marks a decisive transition in the geography of North Sikkim—from forested mid-altitudes to the vast, wind-sculpted highlands that lie close to the Indo-Tibetan frontier. This region is not […]