Nabta Playa
https://en.wikipedia.org/wiki/Nabta_Playa
... is dated to circa 7500 BC.
Nabta Playa
https://sites.google.com/view/abraham-c/objects/other/egypt/nabta-playa
30,7256 22,507967
22.507967, 30.7256
https://goo.gl/maps/F7EeeVWhQhCY642Y8
Nabta Playa
https://en.wikipedia.org/wiki/Nabta_Playa
... is dated to circa 7500 BC.
Nabta Playa
https://sites.google.com/view/abraham-c/objects/other/egypt/nabta-playa
30,7256 22,507967
22.507967, 30.7256
https://goo.gl/maps/F7EeeVWhQhCY642Y8