In Norse Mythology the bridge leading from the realm of the mortals Midgård to the realm of the gods Asgård. The bridge itself is the rainbow and its guardian is the god Heimdall. The bridge is destroyed at the end of the world, Ragnarok. It as built by the Aesir.
... transmitted political and military information to Britain and helped to hide escaped Allied POWs. Vichy agent infiltrated the group and most members were arrested and many ...