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Dead pigs found in China rivers

Cleaning workers retrieve the carcasses of pigs from a branch of Huangpu River in Shanghai
Cleaning workers retrieve the carcasses of pigs from a branch of Huangpu River in Shanghai, March 10, 2013. Over 2,200 pigs have been found dead in one of Shanghai's main water sources, official media reported on March 11, 2013, triggering a public outcry in China where concerns over food safety and environmental pollution run high. Picture taken March 10, 2013. REUTERS/Stringer

Shanghai has pulled about 14,000 pig carcasses from its river system, triggering a public outcry in China where concerns over food safety and environmental pollution run high.