Why did ancient cities have high walls?
Why did ancient cities have high walls? Ancient and even prehistoric peoples had sought to establish safe zones by building city walls since at least the tenth millennium BC. Those early walls didn't reduce violence simply by deterring invasion. The security afforded by walls changed the inhabitants of the ancient cities. They became accustomed to peace.
Why did castles have high walls?
If attackers managed to break through this outer ring of defense, castle defenders could retreat behind high inner walls. Corner towers stood out from the walls, giving defenders a better perspective on enemy movements. Windows were rare; instead, slits called loopholes were built for archers.
What is the most defended city in the world?
The effectiveness of the city's air defense systems led some observers to conclude that Kyiv had become the most defended city on Earth.