9860956muralla defensivaPT2026-03-30 20:51:40BT9849076muralles defensives i components de la muralla defensivaPTNT9868532parapet PTNT9868533ciutadellaPTNT9868534panell PTNT9868535murallaPTNT9868536murus gallicusPTNT9868537vallumPTNT9868538honmaruPTNT9868539baluard PTNT9868540barricadaPTNT9868541"avantmuralla contramuralla"PTNT9868542mur antitancsPT