That's not pornography though and neither are the engravings in the Vatican of nude women its has everything to do with the intent these statues and images wished to purport. The intent they were trying to purport was the beauty of the body in its original state. It has nothing to do with the hyper sexual image which most pornography wishes to impress on people's minds by distorting a natural desire and twisting it into a crude way to arouse pleasure by objectifying a human individual.