Ключевые слова: above, aerial, ancient, architecture, bastion, blue, boat, bridge, building, castle, drawbridge, drone, europe, european, famous, finland, finnish, fort, fortification, fortress, historic, historical, history, island, lake, landmark, landscape, medieval, monument, nature, northern, olavinlinna, old, olofsborg, reflection, river, rock, saimaa, savonlinna, scandinavia, ship, sky, stone, stronghold, summer, tourism, tower, view, wall, water,