Tassili n'Ajjer (Algeria): Is there a presence of extraterrestrial in the city of Sefar?

Tassili n'Ajjer (Algeria): Is there a presence of extraterrestrial in the city of Sefar?

Tassili n’Ajjer is a vast plateau in south-east Algeria at the borders of Libya, Niger and Mali, covering an area of 72,000 sq. km.  The exceptional density of paintings and engravings, and the presence of many prehistoric vestiges, are remarkable testimonies to Prehistory. From 10,000 BC to the first centuries of our era, successive peoples left many archaeological remains, habitations, burial mounds and enclosures which have yielded abundant l…