The sand painting is a techniqe used by few traditional societies in ceremonial context. Among the indians of north america it is been made as a process of healing, while chanting songs; The aboriginals of Australia draw and sign with sand in rituals while telling the myth to the initiates; The tibetian monks make an extremely complicated image of the world, as means of meditation, and end the ritual by rubbing it off as symbol of the temporality of existense.