When you look at the statues, paintings and artifacts it is evident by the physiological features, the WIDE NOSE, THICK FULL LIPS, SPIRALLY CURLY HAIR, HIGH CHEEK BONES, etc, etc, etc. Society would rather rationalize the great intellect of these people as something from outer space than admit the TRUTH.
(you; look; at the statues, paintings and artifacts)
you
look
at the statues, paintings and artifacts