Don't know whether you've seen this before, but I find it fascinating.
If you check out the attached photo from National Geographic you will see that the black shapes are NOT the camels, the narrow stripes below the shapes are, the black shapes are the shadows of the camels, as this photo was taken from overhead.
If you check out the attached photo from National Geographic you will see that the black shapes are NOT the camels, the narrow stripes below the shapes are, the black shapes are the shadows of the camels, as this photo was taken from overhead.