The Potala Palace, winter palace of the Dalai Lama since the 7th century, symbolizes Tibetan Buddhism and its central role in the traditional administration of Tibet. The complex, comprising the White and Red Palaces with their ancillary buildings, is built on Red Mountain in the centre of Lhasa Valley, at an altitude of 3,700m(12139 ft). Also founded in the 7th century, the Jokhang Temple Monastery is an exceptional Buddhist religious complex.