e Cave
Imagine a cave, in which there are three prisoners. The prisoners are tied to some rocks, their arms and legs are bound and their head is tied so that they cannot look at anything but the stonewall in front of them.
These prisoners have been here since birth and have never seen outside of the cave.
Behind the prisoners is a fire, and between them is a raised walkway.
People outside the cave walk along this walkway carrying things on their head including; animals, plants, wood and stone