How many millenia has humanity been on planet earth?

How many civilization have risen and fallen?

Perhaps we wil never know. We do know that Göbekli Tepe is a hilltop sanctuary erected on the highest point of an elongated mountain ridge some 15 km northeast of the town of ?anl?urfa, in southeastern Turkey and 500 miles away fromv. It is the most astonishing archaeological discovery in modern times and also thought to be the oldest advanced civilization on Earth. Check dis out Good Peoples!