old sandstone/gneiss/quartzite cobbelstones and storm drain in <a href="https://en.wikipedia.org/wiki/Kutn%C3%A1_Hora" class="extiw" title="en:Kutná Hora">Kutná Hora</a> (Czech Republic), handmade
<a href="//commons.wikimedia.org/wiki/User:Lysippos" title="User:Lysippos">Lysippos</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>