Ключевые слова: abandoned, ancient, archaeological, architecture, attraction, building, byzantine, byzantium, capital, century, city, city walls, conqueror, conquest, constantinople, constantinopolis, construction, culture, defense, emperor, empire, fatih, fortification, fortress, gateway, great, historical, istanbul, landmark, massive, monument, protect, recover, roman, ruin, siege, sightseeing, stone, theodosius, tourism, tourist, tower, travel, turkey, turkish, wall, walls, war,