10000 years old-in Algeria and my comment ...(big screen) ! —
And I then made this amended version:
And this means also that the Saharan rock art "Maps of the Ancient Sea Kings" maps indicate a very old but regular and repeated shipping routearound the Cape of Good Hope inthe Last Ice Age Age of Discovery, when the early precursors of Columbus and Vasco da Gama were making their own voyages of discovery out of Altlantis, leaving evidence of their former existance in the much later Maps of the Ancient Sea Kings via the Portolan charts. (The Saharan Rock art maps also include the suggested earliest copies for maps of Atlantis and other places, plus astronomical observations from 15000 years ago and before, all of this knowledge later inherited by the historical Egyptians).