TIL the craft of Mongolian archery bows disappeared under the Manchu rule and all modern Mongolian bows are based on the Manchu type

The bows that were used during the rule of Genghis Khan were smaller than the modern Manchu-derived weapons used at most Naadam.

Mongol style bows were officially outlawed[2] in Mongolia after it was conquered by the Manchu dynasty.[3] Manchu soldiers entered gers and broke any Mongol bows that they found, and the Qing forced Mongols to use the Manchu bow in their archery.