The Clemens-August-Gymnasium in Cloppenburg, Germany. A very old school.
Carsten Niehaus (<a href="//commons.wikimedia.org/w/index.php?title=User:Lumbar&amp;action=edit&amp;redlink=1" class="new" title="User:Lumbar (page does not exist)">Lumbar</a>)
2005-08-19
<span class="int-own-work" lang="en">Own work</span>