Old karst landscape in Rõstla quarry (Central Estonia) , exposed shortly during dolomite mining, was formed before Ice-Age, and covered with till
<a href="//commons.wikimedia.org/w/index.php?title=User:Tpani&amp;action=edit&amp;redlink=1" class="new" title="User:Tpani (page does not exist)">Tõnu Pani</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>