China's rapid expansion has been fueled in part by massive construction projects, like this one in Beijing, shown last year. But many economists say the Chinese economic model is unlikely to produce the same explosive growth in the coming years and needs to be revamped. Lintao Zhang/Getty Images hide caption

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Blogger and race car driver Han Han doesn't shy away from skewering Chinese government and society. Robert Cianflone/Getty Images hide caption

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China has welcomed U.S. business expertise for many years as its economy has advanced rapidly. Jim Rogers, a prominent U.S. investor, is shown here in China at the 2nd Hunan Finance Expo in 2011. However, the Chinese are becoming more confident in their own business skills and more critical of American practices in recent years, according to U.S. business executives working in China. ChinaFotoPress/Getty Images hide caption

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Rwanda's President Paul Kagame at the International Fund for Agricultural Development headquarters in Rome in February. Changes in agriculture have been part of the country's economic growth. Tiziana Fabi/AFP/Getty Images hide caption

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Eight bridges have collapsed around China since 2011. Here, government investigators examine a recently built entrance ramp that collapsed last week in the northeastern city of Harbin, killing three people. Local residents believe government corruption and substandard materials are to blame. Frank Langfitt/NPR hide caption

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The "Loving Happiness Band," supported, in part, by the Communist Party, plays for a crowd on Nanjing Road. Frank Langfitt/NPR hide caption

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Gu Kailai, the wife of disgraced Chinese politician Bo Xilai, will stand trial on charges related to the murder of British businessman Neil Heywood. Here, the couple is shown in 2007 attending Bo's father's funeral. Reuters/Landov hide caption

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The central Chinese city of Wuhan has a population of 10 million people, more than New York City. Both Chinese and foreigners are flocking to Wuhan, the GDP of which is expected to double in five years. Frank Langfitt/NPR hide caption

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