anatolia the cities of the population groups had become so diverse there are indications that they may have split up between fifty and seventy thousand years ago following the migration of anatomically modern humans from africa both major groups became sedentary farm the land and built houses. horse of both. populations made the transition to sedentary culture in both europe and asia at about the same time but of course independently of one another. megalithic structures can be found throughout asia and especially in korea.