Borre mound cemetery are ancient Burial Mounds from the Viking period

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