Remember that many of the areas we know think of as ocean, were at that time dry land (Sundaland, Doggerland, etc) or covered in a mile of glacier. Even today f

Remember that many of the areas we know think of as ocean, were at that time dry land (Sundaland, Doggerland, etc) or covered in a mile of glacier. Even today fishermen will haul up old tools and bones from the Dogger banks off in the north sea. We may have had agriculture in many areas and times, but have not yet found the evidence for it, or the evidence is submerged and too hard to get to, or we built on top of it. Xenophon wrote of very ancient cities way back in ~400BC whose origins are attributed to legends and gods, possibly those cities were already thousands of years old. https://thenaturalhistorian.com/2014/02/04/fishing-for-fossils-in-the-north-sea-the-lost-world-of-doggerland/ https://thenaturalhistorian.com/2014/02/04/fishing-for-fossi... http://www.perseus.tufts.edu/hopper/text?doc=Perseus:abo:tlg,0032,006:3:4 http://www.perseus.tufts.edu/hopper/text?doc=Perseus:abo:tlg...