Bible Verses About Towers: Were used as citadels in time of war

But there was a fortified tower inside the city; and all the men and women took refuge in it, everyone in the city. They shut themselves inside and went up onto the roof of the tower.

Men from Arvad and your own army were posted around on your walls. The Gamadim were in your towers; they hung their shields all around your walls, making your beauty perfect.