Deytsches Historisches Museum, Berlin
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/43714545@N06">Richard Mortel</a> from Riyadh, Saudi Arabia
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/prof_richard/40169968002/">Deytsches Historisches Museum, Berlin</a>