<p>From about 50,000 <sc>bc</sc> people were spreading through all continents with a variety of tools &em; knives, axes, scrapers, harpoons, needles</p>
</column>
<column>
<column number=2>
<p>Hunter-gatherers</p>
<p>Cave drawings in Australia from about 20,000 <sc>BC</sc></p>
</column>
<column>
<column number=3>
<p>Hunter-gatherers</p>
<p>Engravings in south-west Africa from about 27,000 <sc>BC</sc></p>
</column>
<column>
<column number=4>
<p>Hunter-gatherers</p>
<p>Cave paintings from 30,000 <sc>BC</sc></p>
<p>Female figurines of Great Goddess made across continent</p>