Ключевые слова: 13 th, 13 th century, 13th, ancient, archipelago, architecture, attraction, building, cathedral, church, discover, famous, fascinating, gorgeous, history, landscape, medieval building, medieval church, nordic, north, north sea, old, oldest church, remote, ruined cathedral, ruins, ruins of magnus cathedral, scandinavia, sightseeing, st magnus, st olav, tourist, travel, unesco, viking, visit, wide picture, world heritage,