Ключевые слова: aging, ancient, architecture, asia, battle, bridge, castle, citadel, conflict, conquest, defending, dependency, door, east, entrance, fighting, fort, gate, heritage, historical, history, hue, human, knight, lookout, majestic, medieval, middle, military, monument, old, palace, reflection, restoration, restore, restoring, safety, security, stone, style, tourism, tower, travel, vietnam, wall, war,