 The Greek traveller Pytheas of Massalia, who describes the amber trade, is known to have visited the region around 325 BC.According to Snorri Sturluson in the Prose Edda, Forseti is the son of Baldr and Nanna.His home is Glitnir, its name, meaning "shining," refers to its silver ceiling and golden pillars, which radiated light that could be seen from a great distance.