Archaeologists work at the digging site of a fossil of tusk of Elephant (Palaeoloxodon) in Zhangchangying village of Mengcheng county, east China's Anhui province, Sept. 8, 2010. The fossil of tusk of two parts, with a total length of 3.34 meters, was unearthed here lately. (Xinhua/Hu Weiguo)
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