Ключевые слова: aerial, architecture, building, castle, catacomb, cellar, citadel, corridor, defense, empire, engineering, entrance, europe, famous, flight, fort, fortification, fortified, fortress, gate, german, grass, historic, history, inside, klodzko, landmark, landscape, lock, lower, military, mine, miner, monument, mysterious, old, outdoor, period, poland, prison, prussian, ruin, silesia, stone, stronghold, tunnel, underground, wall, war,