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Overweight Chinese students line up before training at a camp held for overweight children on July 14, 2014 in Beijing, China. Obesity is a growing problem amongst the burgeoning middle-class in China, and recent studies show that the country is now the second fattest in the world behind the United States. Many parents send their children to special summer camps in an effort to get them into shape and prepare them for the hectic challenges of life in one of the world's largest economies.