illustrata, Nyköping, Nykoping, Nyköpings historia, koppartorp, gruvby, gruva, mine, tunaberg, gullängsberget, middle age, medieval, Sverige, Sweden, castle, svea, svealand, Nyköpingshus, Nykopingshus, Nykopings castle, history of Nyköping, Sodermanland, Södermanland, Sörmland, Sormland, viking, vikingar, vikings, Norse, medieval, runa, runor, runes, rune stone, ryssbranden.