Johannes Teyssen à la Foire de Hanovre en 2011.
<a href="//commons.wikimedia.org/wiki/User:Julien1978" title="User:Julien1978">Julien1978</a>
CC BY-SA 4.0
<p><span class="int-own-work" lang="en">Own work</span> ; source of pictures :
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