Lethe alpha literally means "un-forgetfulness" or "un-concealment". Lethe, the river of forgetfulness, was one of the five rivers of the Greek underworld, the other four being Styx, Acheron (the river of sorrow), Cocytus (the river of lamentation) and Phlegethon (the river of fire). According to Statius, it bordered Elysium, the final resting place of the virtuous. Ovid wrote that the river flowed through the cave of Hypnos, god of sleep, where its murmuring would induce drowsiness. The shades of the dead were required to drink the waters of the Lethe in order to forget their earthly life. In the "Aeneid", Virgil
Chinese mythology generally said to be inhabited by souls of the dead (see hun and po. Inhabited by souls of dead humans and various supernatural beings this subterranean hell is known by various names, including Diyu or the Yellow Springs. In more historically recent mythology, this subterranean land is generally described as somewhat similar to the ideas about the land above land above. It possesses a hierarchical government bureaucracy, centered in the capital city of Youdu. The rulers are various kings, whose duties include making sure that the souls of dead humans are correctly placed according to the merits of their life