Norse runes inscribed on the walls of Maeshow, a 5000 year old chambered tomb on Mainland, Orkney, Scotland. The Norsemen were part of a raiding party who were caught by a blizzard in 1153 and took shelter in the mysterious tomb

Norse runes inscribed on the walls of Maeshow, a 5000 year old chambered tomb on Mainland, Orkney.