Ключевые слова: 13th century, ancient, antiquity, arch, architecture, battle, castle, city, cityscape, cloud, construction, dark ages, europe, fort, fortification, fortress, fourteenth century, granite, gulf, historical, history, house, island, loophole, material, middle ages, museum, olav, old, protection, roof, russia, sky, stone, stone laying, sweden, tower, town, trees, vyborg, wall, war, water,