A worker does his duty in a duck farm in Binzhou, east China's Shandong Province, Dec. 20, 2013. China's economy grew 7.7 percent year on year in 2013, the National Bureau of Statistics said on Jan. 20, 2014. Last year, the country's gross domestic product (GDP) reached 56.8845 trillion yuan (9.31 trillion U.S. dollars). (Xinhua/Dong Naide)
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