You might enjoy this series on the history of city fortifications https://acoup.blog/2021/10/29/collections-fortification-part-i-the-besiegers-playbook/ https:

You might enjoy this series on the history of city fortifications https://acoup.blog/2021/10/29/collections-fortification-part-i-the-besiegers-playbook/ https://acoup.blog/2021/10/29/collections-fortification-part...