XI'AN, CHINA OCTOBER 8: Dancers perform a popular cultural dance show cultural at Tang Dynasty Theme Park on October 8, 2008 in Xi'an, China. The park showcases the Tang Dynasty (June 18, 618- June 4, 907), which was an imperial dynasty. The capital, Xi'an, was the most populated city in the world at the time. The park has live performances and shows almost every hour and an evening show that is famous around the world. Millions of Chinese took a weeklong break during the National Holiday and one of the Golden weeks during the year. Chinese people love theme parks and new ones are opening constantly. It's estimated that there's about 2400 theme parks in the country. (Photo by Per-Anders Pettersson) .