Ключевые слова: archipelago, architecture, battery, building, building exterior, cannon, castle, defence, europe, exterior, famous place, fort, fortification, fortified, fredriksborg, fredriksborg fort, gun, history, landmark, landscape, medieval, narrows, old fort, outdoor, oxdjupet, oxdjupet narrows, oxdupet, scandinavia, sea, stockholm, stone, strait, sweden, tower, travel, vaxholm, wall,