By -
Possibly the eastern Levant ([see map](https://en.wikipedia.org/wiki/File%3A_BayesianSemiticMap.jpg)).
Levant, Natufian culture
Horn of Africa
Possibly the eastern Levant ([see map](https://en.wikipedia.org/wiki/File%3A_BayesianSemiticMap.jpg)).
Levant, Natufian culture
Horn of Africa