Although the first signs of human occupation in Eurasia are
scarce, during the last decades the discoveries of new human fossils
have raised some answers and, also, new questions about the
first migration out of Africa and subsequent evolution: Why and
when did they leave Africa? What route did they take? Were
there several migration events? Which species led the process?
The former scarcity of Early Pleistocene sites in Europe in comparison
to the record for Asia is become more balanced in recent
years. New human species have been proposed