map of Europe 20,000 years ago.
<a href="//commons.wikimedia.org/wiki/User:Wobble" title="User:Wobble">User:Wobble</a>
CC BY-SA 3.0
<p>made by me from <a href="//commons.wikimedia.org/wiki/File:BlankMap-Europe-v3.png" title="File:BlankMap-Europe-v3.png">Image:BlankMap-Europe-v3.png</a>, which is GFDL v1.2, outline of ancient coast and extent of ice added by me from information from "After the Ice: A Global History" by Steve Mithen. Information about human refugia from "Origins of the British" by Stephen Oppenheimer and "Out of Eden by Stephen Oppenheimer. These were sketched in by me from information supplied by these books. Coloured areas are the furthest extent of the cultures between 15 kya and 20 kya.
</p>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#e65600;color:#202122;text-align:center;"> </div> <a href="https://en.wikipedia.org/wiki/Solutrean" class="extiw" title="w:Solutrean">Solutrean</a> and Proto Solutrean Cultures; <a href="https://en.wikipedia.org/wiki/Franco-Cantabrian_region" class="extiw" title="w:Franco-Cantabrian region">Franco-Cantabrian region</a></div>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#e600c9;color:#202122;text-align:center;"> </div> Epi <a href="https://en.wikipedia.org/wiki/Gravettian" class="extiw" title="w:Gravettian">Gravettian</a> Culture</div>