Well-known as the Roof of the World, Qinghai-Tibet High Plateau is an unspoiled land closest to the heavens. The special landform of the plateau creates fabulous natural scenery which is filled with exotic and wild beauty. The vast plateau is a world of mountains with turbulent rivers flowing by and deep valleys crossing through. As the main habitation of Tibetans, it has nurtured the absolutely unique culture of the native people. Both Tibet and Qinghai are said to be the dream of tourists from all around the world. The tourists who visited the homeland of Tibetans were enchanted by either the magnificence of snow-capped mountains or the gorgeous view of mirror-like lakes or the charm of Tibetan folk customs.