But are we really to believe that all those seafaring Phoenecians, Egyptians, Carthaginians, Arabs, Greeks, Israelites, Indians, earlier Chinese, and no doubt a host of others, never rode a boat along the east or west coasts of Africa? Hell, it'd be coastal sailing the entire way. An adventure, no doubt, but well within the means of the ancient sailors.
This is interesting stuff, but it's a little too breathless for me.
This is Luzia, the oldest dated human skeleton, 11,500 years old, ever found in the Americas, Brazil.
(I'll bet some of my retirement money that she didn't, walk over here.)
"it may have been drawn on the basis of an Arab legend"
which suggests at least part of the map isn't even drawn from first hand knowledge, and we all know how useful 'Arab' knowledge is (let alone an 'Arab' legend), and to rely on that seems a bit foolhardy.