
Photo taken on April 9, 2012 shows a night view of the Potala Palace in Lhasa, southwest China's Tibet Autonomous Region. The Potala Palace will extend its opening hours during the rush season to meet tourists' demand, the palace's administration said recently. (Xinhua/Wen Tao)

Tourists walk at the foot of the Potala Palace in Lhasa, southwest China's Tibet Autonomous Region, April 12, 2012. The Potala Palace will extend its opening hours during the rush season to meet tourists' demand, the palace's administration said recently. (Xinhua/Wen Tao)

Tourists enter the Potala Palace in Lhasa, southwest China's Tibet Autonomous Region, April 12, 2012. The Potala Palace will extend its opening hours during the rush season to meet tourists' demand, the palace's administration said recently. (Xinhua/Wen Tao)

Tourists take photos at the Potala Palace in Lhasa, southwest China's Tibet Autonomous Region, April 12, 2012. The Potala Palace will extend its opening hours during the rush season to meet tourists' demand, the palace's administration said recently. (Xinhua/Wen Tao)