Every effort had failed to prove there were tools, and we assumed that people just weren't there. But absence of evidence does not necessarily prove evidence of absence. |
It was warmer than it is today, a big delta with a fan of rivers. It had a dry, mild Mediterranean climate, exotic beasts and lots of resources. |
It's possible that they didn't make hand axes because they didn't know how. But there's no good local source of flint, either. What we're probably looking at are river cobbles. |