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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A bloodied woman is helped by demonstrators after clashes with police in a protest against an industrial waste pipeline in Qidong, Jiangsu province, on July 28. The Chinese government devotes enormous resources to suppressing dissent, but opposition to government policies is increasingly common. Carlos Barria/Reuters/Landov hide caption

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Once a top Communist Party figure, 79-year-old Bao Tong was kicked out after he sympathized with the student protesters in 1989. Louisa Lim/NPR hide caption

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"The Defense of Yan'an" re-enacts a 1947 battle to protect Mao Zedong's Communist stronghold during the Chinese Civil War from the Nationalists, who fled to Taiwan. Louisa Lim/NPR 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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Health workers transport the polio vaccine by donkey in southeastern Pakistan. Asad Zaidi/Courtesy of UNICEF Pakistan. hide caption

itoggle caption Asad Zaidi/Courtesy of UNICEF Pakistan.

The United States and Cambodia are locked in a legal battle with the auction house Sotheby's over this 1,000-year-old statue of the Hindu warrior Duryodhana that may have been looted from the Cambodian temple complex at Koh Ker. Courtesy of the U.S. Attorney's Office hide caption

itoggle caption Courtesy of the U.S. Attorney's Office

Pakistani security personnel stand guard in front of a burnt-out school following an attack by the Pakistani Taliban in the northwestern district of Upper Dir in June 2011. The Taliban have destroyed many schools in northwestern Pakistan. AFP/Getty Images hide caption

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