The paper considers the primary types of defensive structures built in the Middle Ages from wood and earth. as well as the methods used for their construction. The author identifies an entire complex of construction methods based on centuries of experience and complex engineering calculations. The medieval wood and earth fortification sites are characterized by several types of vaulte... https://www.spidertattooz.com/The-GelBottle-Inc-Gel-Polish-Cashmere-67oz-p20053/