No one , from the most conservative to the most liberal, can help blushing at the sight of the most surprising and impressing images of (erotico-sexual) rituals that our ancestors captured on the walls of their caves, shelters and furnishing art. For prehistoric men, procreation becomes a liturgy full of "magic eroticism". Women are considered as Mother Nature, a kind of being with the power to create. Rituals usually refer to animals' fertility too, since the survival of the tribe or group depends on them. The Shaman, main axis of the community, becomes the umbilical cord between the unknown world and reality, which, through rituals and eroticism reaches its highest symbolic significance.

Eroticism is the culminant point of abstraction in the physical body of human beings. Verdejo