entity_id,period_id,confidence,rationale,source_id,review_status
ENT_NORR_MIDGARD,PER_NOR_VIKING,high,"The middle enclosure, the world of humankind, made by the sons of Borr from the brows of Ymir and encircled by Jörmungandr. Gylfaginning and Völuspá.",SRC_PROSE_EDDA,reviewed