With roots in the Minoan Civilization on Crete circa 2500 B.C., the notion of a true labyrinth throughout history engenders an apotropaic effect... the archetypical conflict between good and evil.  For a concise art history review of the benchmark timeline of the evolution of the labyrinth from the pagan Minoan/Greek/Roman versions - to 17 centuries of Christian symbolism and modifications - to the morphing of the labyrinth into a maze reflecting the Humanistic World View of the Renaissance - visit the MISERERE site at  http://www.maui.net/~miserere