Photo taken on July 4, 2010 shows the back of an ancient dragon-patterned kiln at Dingshu Town of Yixing City, east China's Jiangsu Province. The ancient kiln, with a full length of about 48.6 meters, was built in Ming Dynasty. It burns some 7,000 porcelain embryo monthly at present, with firewood consumption of about 6 tons.[Xinhua]
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