What’s that white pillar-looking thing behind the “dune”? The whole scene looks like a photo shoot setup on a movie lot; and that the photo was published before all the non-essential background stuff was cropped or air brushed out. In my poor, unwashed, ignorant, pragmatic humble opinion.
It’s bad spot in the image, like those blank black corners. See also Telepathic Intruder’s remarks:
http://www.freerepublic.com/focus/chat/3385492/posts?page=6#6