1.The Potala Palace, Tibet's signature architecture at the heart of Lhasa, was made a World Cultural Heritage site by the United Nations Educational, Scientific and Cultural Organization (UNESCO) on Dec. 16, 1994.    (Xinhua photo)

2． China's central government has put in about 70 million yuan (about 10 million U.S. Dollars) to restore Norbu Lingka (the summer residence of many generations of Dalai Lamas) in Lhasa, capital of southwest China's Tibet Autonomous Region, from 2007. In the coming five years, the government will input 570 million yuan (81.43 million U.S. dollars) to restore 22 key relic sites in the Tibet Autonomous Region.   (Xinhua photo/Jue Guo)

3．Tibetan Buddhist believers pray for blessing at the Potala Palace in Lhasa, capital of the Tibet Autonomous Region, on April 5, 2008.  (Xinhua Photo/Jue Guo)

4． A lama wearing a mask prepares to perform the sorcerer's dance in Lhasa, capital of southwest China's Tibet Autonomous Region, on Feb. 21, 2008. The sorcerer's dance is a kind of religious drum dance, which was supposedly created in the year of 1464 by the founder of the Gonggar Ghosde Lamasery. The dance has now been honored as China's national intangible cultural heritage.  (Xinhua photo/Prubu Zhaxi)

5． A farmer wears a mask to perform a 700-year-old Tibetan drama in Ngamring County in southwest China's Tibet Autonomous Region, on Aug. 29, 2007. (Xinhua photo/Sonam Norbu)

6. A dustman collects toilet wastes from a train on the Qinghai-Tibet Railway, utilizing vacuum flush technology, at the Golmud Railway Station in Golmud, northwest China's Qinghai Province, on July 7, 2006. All trains to enter southwest China's Tibet Autonomous Region are equipped with garbage compacters and vacuum toilets for environmental protection purposes.    (Xinhua photo/Liu Chan)

7．Tourists take pictures at the Potala Palace of Lhasa, Tibet on June 14, 2007. Statistics show the Tibet Autonomous Region received about 4 million tourists in 2007, up 60 percent from the previous year, and the region's tourism revenue is expected to reach 4.8 billion yuan (685 million U.S. dollars), up 73.3 percent from the previous year.  (Xinhua photo/Gesang Dawa)

8．Teacher Migmar (C) explains to students the principles of Tibetan medicine at the College of Tibetan Medicine in Lhasa, capital of southwest China's Tibet Autonomous Region, on April 8, 2008. As the only institute in China teaching Tibetan medicine, the college has trained more than 1,600 specialists in Tibetan medicine since its establishment in 1989. It will have more than 200 new graduates in 2008.  (Xinhua/Soinam Norbu)

9． A staff worker with the Tibet autonomous regional branch of the Buddhist Association of China is printing the Buddhist Tripitaka from the blocks, on March 31, 2008. The Buddhist Association of China has invested 7.22 million yuan (1 million U.S. dollars) to carve 120 volumes of the Buddhist Tripitaka on about 3,800 blocks. The Tripitaka, which covers Buddhism, philosophy, history, medication and other fields, is considered the encyclopedia of Buddhist culture.  (Xinhua/Tubdain)

10． Basang Cering, a farmer, ploughs his field for spring sowing at Gurum Township of Doilungdeqen County in Lhasa, capital of southwest China's Tibet Autonomous Region, on March 19, 2008. (Xinhua/Soinam Norbu)