http://www.juxtapoz.com/Current/this-is-a-photograph-not-a-painting
Looks closer, and you may be able to make it out, that yes, this is a photograph, not a painting. As National Geographic remarks of the photograph taken in Namibia, “Tinted orange by the morning sun, a soaring dune is the backdrop for the hulks of camel thorn trees in Namib-Naukluft Park.” (via Juxtapoz Magazine - This is a Photograph, Not a Painting | Current)


