Tourists from southwest China's Chongqing Municipality enjoy hot spring at an altitude of 4,300 meters above sea level in Yangbajing, Lhasa, capital of China's Tibet Autonomous Region, Oct. 4, 2004. During China's National Day holidays, flights to and from Tibet have been all booked up. The unique plateau scenery and the original Tibetan culture in Tibet have become increasingly more preferred by tourists from China's other provinces.