I think human civ is far far older than previously through, human civ rises, then falls, then rises again, this is the sotry of the tower of babel passed via whispers and rumours until it was written down for the bible... It is a cautionary tale....
If the entire history of the world was the height of the Empire State Building, the entire history of ‘man’ would be the thickness of a postage stamp on top of the TV tower...............