Prehistoric Coastlines

This is a mosaic of ocean bottom topography. The cyan areas would have been dry land during the ice age. Notice these are depth contours.


Notice one can walk to India from the horn of Africa without a Red Sea on the way. (Cue the Exodus is true crowd.) Note also one could have walked almost all the way from SE Asia to Australia.


For the present Amerind discussion you can see there is actually very little
open water to cross in getting from Europe to North America during the last ice age.
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Prehistoric Coastlines