The Tibet Autonomous Region, is located in the southwest of China. Known as the "Roof of the World", the average height of the whole region is more than 4,000 meters above sea level.
Tibetan history can be traced thousands of years back, according to the recent archeology discoveries in different parts of Tibet, the original inhabitants began to live in the highlands as early as the Palaeolithic Age.
As part of the Qinghai-Tibet Plateau, and also known as the 'Roof of the World', Tibet is an amazing combination of sceneries including mountains, plains, foothills and valleys.
Generally speaking, the climate in Tibet is rather harsh, with thin air, insufficient oxygen, intense sunlight and ultraviolet radiation, It is cool in summer, but excruciatingly cold in winter. However, it is not impossible to visit this holy land.
There are more than ten ethnic groups in Tibet, including Tibetan, Mongolian, Nu, Drung, Moinba, Lhoba, Hui, Naxi, Deng and Sherpa.
Among them, Tibetans are the dominant inhabitants of Tibet, accounting for 92.2 percent of the local population.
Tibetan medicine, an important part of the Chinese medical tradition, has been evolving for nearly 3,000 years. During the third century BC, a primitive medical system had existed on the Qinghai-Tibet Plateau, comprising theories on daily life, food and drink, and health care.