1) Location in Norse mythology 
In Norse mythology, Gjallarbrú (literally `Gjöll Bridge`) is a bridge spanning the river Gjöll (`Resounding`) in the underworld, which must be crossed in order to reach Hel, according to Gylfaginning. It is described as a covered bridge, `thatched with glittering gold`, and figures most prominently in the story of Baldr, specifically when...