Logo of the <a href="https://en.wikipedia.org/wiki/Hugo_Treffner_Gymnasium" class="extiw" title="w:Hugo Treffner Gymnasium">Hugo Treffner Gymnasium</a>
HTG, uploaded by <a href="//commons.wikimedia.org/w/index.php?title=User:IvarVi&amp;action=edit&amp;redlink=1" class="new" title="User:IvarVi (page does not exist)">IvarVi</a>
2013-11-18 19:30:57
<span class="int-own-work" lang="en">Own work</span>