The Forbidden Fountain of Oz food, which occurs most famously in the "forbidden fruit" of the Tree of Knowledge of Good and Evil in the Book of Genesis, but in other contexts too. The idea of water that purges the drinker's memory is also ancient. In Greek mythology it occurs as the river Lethe: the souls of the dead lose their memories of their earthly lives by drinking its water. The same idea can also be found in Eastern and other literatures, as in the "Well of the Waters of Forgetfulness" and other guises. "The 'Drink of Forgetfulness' is found in Greek, Hindu, Norse, and
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