Storyline: Indoor waterparks make a splash during hot days in Beijing [Voice_over] It may be sweltering in the streets of Beijing, but indoor waterparks like this surfing facility are helping keep residents cool. Depending on a person's skill level, the wave-making machine adjusts the swells speed and height. The manager of the indoor park says they've seen more clients this year than ever before. [Sound_bite] Bai Lu, manager, indoor wave pool: "This summer, the number of consumers is about 50 percent more than last year, especially the teenagers. Schedules of all coaches are saturated." [Voice_over] The center has been especially popular with young people. [Sound_bite] Consumer: "I'd like to experience surfing. It's excited and easy to get started." [Voice_over] Beijing is hot and rainy in July, with average temperatures between 22–31°C. [Restrictions : No access Chinese mainland]