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Workers build a chimney at a factory in Linfen, Shanxi Province, China. A survey from China's State Environmental Protection Agency shows that the province of Shanxi has the top three cities with the worst air pollution in China, with the city of Linfen topping the list from its numerous coking and steel factories..15 Oct 2006
Workers build a chimney at a factory in Linfen, Shanxi Province, China. A survey from China's State Environmental Protection Agency shows that the province of Shanxi has the top three cities with the worst air pollution in China, with the city of Linfen topping the list from its numerous coking and steel factories..15 Oct 2006