Migration Patterns

It is quite obvious we all descended somewhere in Africa (Lucy (Australopithecus), the original ancestor of Homo Sapiens). Thus what interests me is this:

Not about ‘race’, for we are all the “human race”. More interest in human migration patterns.

How did we get from there to there?

If we believe the theory that the ‘true’ Jewish people descended from Ethiopia, this can be a theoretical migration pattern from Ethiopia to Egypt, then Eastern-Europe. Note the difference of Safardic (Israeli) and Ashkenazi (Eastern European) Jews