The Fortress Even the Mongols Couldn't Conquer #chinesearchitecture#chongqing #DiaoyuFortress #china

Discover how **Diaoyu Fortress** in **Chongqing** became one of the greatest defensive fortresses in history. Built during the **Song Dynasty**, this incredible mountain fortress used steep terrain, layered walls, city gates, cliffside roads, docks, and a self-sustaining food supply to withstand repeated attacks from the **Mongol Empire**. It ...