SHENZHEN, CHINA SEPTEMBER 29: Chinese tourists sleep on park benches at Happy Valley Theme park on September 29, 2008 in central Shenzhen, China. The park has various attractions such as roller coasters, water rides and Walt Disney style live shows for children. Chinese people love theme parks and new ones are opening constantly. It's estimated that there's about 2400 theme parks in the country. Many of the most popular parks are located around Shenzhen and over the border in Hong Kong. (Photo by Per-Anders Pettersson/Getty Images).