Yedi is one of the origins of the smelting industry,and also a rare scorpion-like ancient village that is preserved very well in North China.
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- 冶底,冶炼之地,是古代冶炼技术的发源地之一,乃通宵古镇,为中国北主方罕见的保存完整的蝎子型古村寨。