For the purposes of defence. An enemy army cannot invade a city as easily if they are forced to go through the city gates and the invading force can be attacked with projectile weapons from the top of the walls.
They have the sea and the rolling hills to protect them from invasions
The Romans, like everyone else in those days, built walls and fortifications around their towns.
Mining the walls was the process of digging under the castle walls to remove their support so they would fall down.
Hadrian
The ancient walls of Greek period constructed of granite, mud bricks and wood. The walls were built for utility not for beauty. The heights and thickness of ancient Greek walls varied and were often based on the size and population of the city-state. As ancient times progressed Greek walls were of little help against such enemies as Alexander the Great or ancient Rome.
Sumerian cities had walls around them for the primary purpose of protection.
build walls around their cities?
Why was an oasis surrounded by a wall in the olden days
Modern weaponry renders walls useless.
Instead of having walls around them, the Minoans depended on the sea and navy for protection.
Protection from invaders.
building walls around their cities.
They have the sea and the rolling hills to protect them from invasions
Large walls were built around cities to protect the cities. It took 10,000 workers using 18 years to build that wall. The walls were 30 feet high, 65 feet thick, four and a half miles long. Skilled craft workers lived outside the walls to decorate the walls.
Flight and advanced firearms have essentially made the value of walls as a defensive measure useless.
They started to build strong walls around their cities,that were made of mud bricks that were baked in the sun until they were hard.
They started to build strong walls around their cities,that were made of mud bricks that were baked in the sun until they were hard.