The system of fortification by wall and towers may be made safest by the addition of earthen ramparts.


Chapter V, Sec. 5 - De architectura (The Ten Books On Architecture) (~ 15BC) - Book I


The system of fortification by wall and towers may be made safest by the addition of earthen ramparts.

The system of fortification by wall and towers may be made safest by the addition of earthen ramparts.

The system of fortification by wall and towers may be made safest by the addition of earthen ramparts.

The system of fortification by wall and towers may be made safest by the addition of earthen ramparts.