A ceremony is held to mark a new patrol vessel in service for China's marine surveillance in Zhoushan, east China's Zhejiang Province, last month. Shen Lei/Xinhua/Landov hide caption

itoggle caption Shen Lei/Xinhua/Landov

Wang Yu-chi, head of Taiwan's Mainland Affairs Council, left, shakes hands with Zhang Zhijun, director of China's Taiwan Affairs Office, before their meeting in Nanjing, China, on Tuesday. Alexander F. Yuan/AP hide caption

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Red Guards — high school and university students — wave copies of Chairman Mao Zedong's Little Red Book during a parade in June 1966 in Beijing's streets at the beginning of China's Cultural Revolution. More than 1 million people are believed to have died during the decade-long upheaval. Jean Vincent/AFP/Getty Images hide caption

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Gigi Chao (right) daughter of Hong Kong property tycoon Cecil Chao, poses with her partner, Sean Eav, at an event in Hong Kong. AP hide caption

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The Chinese flag is seen in front of a view of the moon at Beijing's Tiananmen Square in December, when China's first moon rover touched the lunar surface. That feat was widely celebrated — but observers believe the rover has now run into serious trouble. Mark Ralston/AFP/Getty Images hide caption

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Wuhan, in central China, is in debt to the tune of a reported $33 billion — nearly twice the city's GDP. This 17-mile highway sat dormant for two years after banks cut off funding as Wuhan's debt ballooned. Work on the road resumed last year, but the construction company still hasn't been paid. Frank Langfitt/NPR hide caption

itoggle caption Frank Langfitt/NPR

A vendor sells chickens at the Kowloon City Market in Hong Kong last month. As a precautionary measure against the deadly H7N9 virus, Hong Kong has temporarily stopped importing poultry from mainland farms. Lam Yik Fei/Getty Images hide caption

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Li Na of China celebrates after defeating Dominika Cibulkova of Slovakia during their women's singles final at the Australian Open tennis championship in Melbourne, Australia, on Saturday. Rick Rycroft/AP hide caption

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