Ключевые слова: ancient, archeology, architecture, blue, building, construction, courtyard, culture, defense, defensive wall, europe, famous, fort, fortification, fortified, fortress, fortress wall, grass, heritage, historic, historical, history, landmark, monument, nysa, old, opole province, outdoors, panorama, poland, rock, sky, spring, stone, stonewall, stronghold, structure, the city, tourism, tower, travel, view tower, wall, water tower,