illustrata, Nyköping, Nykoping, Nyköpings historia, history of Nykoping, koppartorp, gruvby, gruva, tunaberg, gullängsberget, middle age, Södermanland, Sverige, Sweden, castle, svea, svealand, Nyköpingshus, Nykopingshus, Nykopings castle, sodermanland, Sörmland, sormland, viking, vikingar, vikings, Norse, medieval, mine, King, ryssbranden.