Testicles in shaved scrotum and skin of the scrotum - in Central Europe. The temperature is controlled by the scrotum moving the testicles
<a href="//commons.wikimedia.org/w/index.php?title=User:Polarstern&amp;action=edit&amp;redlink=1" class="new" title="User:Polarstern (page does not exist)">Polarstern</a>
11.01.2010
<span class="int-own-work" lang="en">Own work</span>