Why did the 1st emperor of the Ming Dynasty decide to build Jiayuguan fortress? | China Documentary

#history #china #jiayuguan In the winter of 1516, the 11th year of the Zhengde Reign, the northwestern frontier of the Ming Empire faced a severe challenge. The army of the Eastern Chagatai Khanate advanced aggressively. It had been 148 years since the Ming Dynasty took the Central Plains. Still, those Mongol tribes retreating to various ...