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The outermost walls with their integrated bastions and wall towers together make up the enceinte or main defensive line enclosing the site. In medieval designs of castle and town, the curtain walls were often built to a considerable height and were fronted by a ditch or moat to make assault difficult.
A defensive wall is a fortification usually used to protect a city, town or other settlement from potential aggressors. The walls can range from simple palisades or earthworks to extensive military fortifications such as curtain walls with towers, bastions and gates for access to the city. [1]
Elements of a rampart in a stone castle or town wall from the 11th to 15th centuries included: Parapet: a low wall on top of the rampart to shelter the defenders. Crenellation: rectangular gaps or indentations at intervals in the parapet, the gaps being called embrasures or crenels, and the intervening high parts being called merlons.
Section of the Servian Wall Section of the Roman walls of Lugo, Spain, 263–276 AD. Defensive walls are a feature of ancient Roman architecture.The Romans generally fortified cities, rather than building stand-alone fortresses, but there are some fortified camps, such as the Saxon Shore forts like Porchester Castle in England.
A moat was a common addition to medieval fortifications, and the principal purpose was to simply increase the effective height of the walls and to prevent digging under the walls. In many instances, natural water paths were used as moats, and often extended through ditches to surround as much of the fortification as possible.
Diyarbakır is surrounded by an almost intact, dramatic set of high walls of black basalt forming a 5.5 km (3.4 mi) circle around the old city. There are four gates into the old city and 82 watch-towers on the walls, which were built in antiquity, restored and extended by the Roman emperor Constantius in 349. Ankara; Çanakkale; İznik; Antalya ...
There are four watch towers, located at the corners and the moat that surrounds the wall has a width of 18 metres (59 ft) and depth of 6 metres (20 ft). [10] The area within the wall is about 36 square kilometres (14 sq mi), enclosing the small area of 14 square kilometres (5.4 sq mi) occupied by the city.
Conwy's town walls are a medieval defensive structure around the town of Conwy in Wales. The walls were constructed between 1283 and 1287 after the foundation of Conwy by Edward I, and were designed to form an integrated system of defence alongside Conwy Castle. The walls are 1.3 km (0.81 mi) long and include 21 towers and three gatehouses. The ...