Drawing improvised pencil on a table in the room staf service of MCB in the Dental medicine University Hospital of Monastir. He who has realized the drawing with the pencil is unknown.
<a href="//commons.wikimedia.org/wiki/User:Ghabara" title="User:Ghabara">Ghabara</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>