Photo taken from a Mauritanian Air Force plane in December of 1967
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/72105154@N00">John Atherton</a>
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/72105154@N00/2959335489/">Atar, Mauritania (west Africa), from the air, 1967</a>