A young girl exercises during the daily training sessions at the state owned Shichahai sports school July 25, 2003 in Beijing, China. The school is one of China's most renowned sports institutions and has taught many Olympic winners. The training is demanding for students who can be as young as seven-years-old. The day begins at 6:30 a.m. and ends at 9:30 p.m. with academic work in the morning and sports in the afternoon. (Photo by Getty Images)

Young boys listen to thier coach during training at Chengdu Children's Gymnastics School on January 11, 2005 in Chengdu, China. There are around 3,000 sports schools in China, recruiting thousands of very young children and sending the elites to the country's Olympic machine. China has consistently risen in the Olympic medal table. This success has encouraged more parents to send their talented children to government-funded sports schools, though the training is severely hard. (Photo by China Photos/Getty Images)

Students listen to their coach's instructions during a training class at the No. 2 Beijing Shuangqiao School January 14, 2005 in Beijing, China. Most of students in the gymnastics school have to study more than five years from as young as age six before they become athletes. (Photo by Guang Niu/Getty Images)

Children hang upside down as they practise diving movements at a diving school on May 10, 2005 in Chengdu of Sichuan Province, China. (Photo by China Photos/Getty Images)

Children practise kung fu at a martial arts school on May 29, 2005 in Xining of Qinghai Province, China. China's millennia-old martial art of kung fu is losing favor among the young, as the imported taekwondo, karate and Thai boxing are taking the lead over the traditional kung fu. According to Chinese Wushu Association, both the Education Ministry and the Publicity Department of the Central Committee of the Chinese Communist Party have required kung fu courses be added to elementary and middle school curriculums, as part of the students' patriotic education. (Photo by China Photos/Getty Images)

A young girl cries during training at a sports school July 23, 2007 in Nanjing of Jiangsu Province, China. (Photo by China Photos/Getty Images)

A member of the Chongqing Sports Technique School Diving Team practises during training on October 11, 2007 in Chongqing Municipality, China. The diving team consists of over 70 athletes, aged from 5 to 18 years, and previously trained Olympic diving champion Tian Liang. (Photo by China Photos/Getty Images)