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When was the Great Wall of Yanshi built?

20 16. The Great Wall of Yanshi was built on the basis of the northern mountain of Daoshan, located in the territory of Yanshi, which is the boundary mountain between Dengfeng and Yanshi and close to the golden prairie of Yanshi. The Great Wall was built on the ridge in 20 16. It is named after a huge machete cutting two peaks. It is very spectacular.