Hologram of Paranthropus boisei. Vienna Natural History Museum. The paleoanthropologist Stefano Ricci. University of Siena
<a href="//commons.wikimedia.org/w/index.php?title=User:Stefano_Ricci_Cortili&amp;action=edit&amp;redlink=1" class="new" title="User:Stefano Ricci Cortili (page does not exist)">Chiara Tesi</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>