Ключевые слова: ancient, architecture, attraction, basilica, basilica cistern, built structure, byzantine, byzantium, cistern, civilization, column, constantinople, culture, dark, empire, heritage, historic, historical, history, illuminated, indoor, interior, istanbul, landmark, light, medieval, old, reflection, reservoir, stone, subterranean, symmetry, tank, tourism, tourist, touristic, travel, turkey, turkish, underground, unesco, water, yerebatan,