plato's cave (the visible region)

stan brakhage - dog star man - 1964(representations of plato's cave)"imagine mankind as dwelling in an underground cave with a long entrance open to the light across the whole width of the cave; in this they have been from childhood, with necks and legs fettered, so they have to stay where they are. they cannot move their heads round because of the fetters, and they can only look forward, but