Borre mound cemetery are ancient Burial Mounds from the Viking period

burrial mound tumulus viking age vestfold county burried horse grass grave vikingera norsemen barrow excavations viking ship cultural heritage oppdal viking archaeologist central national heritage board ancient borre national park midgard colonization tree discover era raids conquest antiquarian norway helmet prehistoric borre historical ceremony sword history enemies riding equipment odin research raiders brutal death trade weapons warrior friend thor harbour jewelery