Introduction to Kama Valley: Kama Valley is located at the bottom of the east slope of Mount Everest, at the confluence of Pengqu and Kama rivers, with an altitude of 2,300 meters and a total area of ​​440 square kilometers. Dense virgin forests grow here, including more than 20 species of rhododendrons, Himalayan fir, larch, birch, Nepalese sandalwood, magnolia, pine and other major tree species, as well as papaya, Panax notoginseng, Coptis chinensis and other important tree species. Wild plants with high ornamental and medicinal value were once praised by British explorers as the most beautiful valley in the world.