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| A furnace is blasted off in Tangshan, North China's Hebei province, Nov 24, 2013. Hebei province is taking unprecedented steps to tackle industrial overcapacity as a response to air pollution problems in North China by dismantling 10 furnaces of steel companies, cutting iron production by 4.56 million tons and steel production by 6.8 million tons. [Photo/Xinhua] | 
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