Potala Palace, Lhasa, Tibet Autonomous Region, China

Lhasa is a city and administrative capital of the Tibet Autonomous Region of the People's Republic of China. The main urban area of Lhasa is roughly equivalent to the administrative borders of Chengguan District, which is part of the wider Lhasa prefecture-level city, an area formerly administered as a prefecture. Lhasa is the second most populous city on the Tibetan Plateau after Xining and, at an altitude of 3,490 meters (11,450 ft), Lhasa is one of the highest cities in the world. The city has been the religious and administrative capital of Tibet since the mid-17th century. It contains many culturally significant Tibetan Buddhist sites such as the Potala Palace, Jokhang Temple and Norbulingka Palaces. The Potala Palace Lhasa, Tibet Autonomous Region, China was the residence of the Dalai Lama until the 14th Dalai Lama fled to India during the 1959 Tibetan uprising. It is now a museum and World Heritage Site. The building measures 400 metres east-west and 350 metres north-south, with sloping stone walls averaging 3 m. thick, and 5 m. (more than 16 ft) thick at the base, and with copper poured into the foundations to help proof it against earthquakes. Thirteen stories of buildings—containing over 1,000 rooms, 10,000 shrines and about 200,000 statues—soar 117 metres (384 ft) on top of Marpo Ri, the "Red Hill", rising more than 300 m (about 1,000 ft) in total above the valley floor.