About Zhangzhung

Zhangzhung or Shangshung was an ancient culture and kingdom in western and northwestern Tibet, which pre-dates the culture of Tibetan Buddhism in Tibet. Zhangzhung culture is associated with the Bon religion, which in turn, has influenced the philosophies and practices of Tibetan Buddhism. Zhangzhung people are mentioned frequently in ancient Tibetan texts as the original rulers of today's central and western Tibet. Only in the last two decades have archaeologists been given access to do archaeological work in the areas once ruled by the Zhangzhung.
Lukhang Temple mural depicting Dzogchen anuyoga practices such as tummo which work with the subtle body channels

Dzogchen – Tradition of teachings in Tibetan Buddhism

Dzogchen or "Great Perfection", Sanskrit: अतियोग, is a tradition of teachings in Tibetan Buddhism aimed at discovering and continuing in the natural primordial state of being. Dzogchen developed in the Tibetan Empire period and the Era of Fragmentation (9th-11th centuries) and continues to be practiced today both in Tibet and around the world. It is a central teaching of the Nyingma school of Tibetan Buddhism and of Bon. In these traditions, Dzogchen is the highest .