Youngsters are sent away to gruelling training camps.
Olympic champion Ye Shiwen said her extraordinary swim was a result of 'hard work and training'.
Children are put through their paces doing punishing exercises to toughen them up
Sweat and tears: A young girl is pushed through a tough gymnastics exercise
Kuatnya semangat rakyat China
Young boys and girls are put through their paces at the Chen Jinglun Sports School, the alma mater of Ye Shiwen
Ye's team-mate, 23-year-old Lu Ying, this week attacked China's grindingly repetitive coaching regime
A group of young boys await their turn in the pool
Chen Jinglun Sports School: At seven Ye could already perform 20 chin-ups - an exercise beyond the capability of most fit adults
The school also trained Sun Yang, who won the 400m freestyle at London 2012