There is nothing special about this picture, it seems like it is a normal photo and they are trying to create curiosity to attract readers, Also it seems they are trying to promote their twitter. by calling follow if we can't solve the puzzle
I see the picture above has some clues about numbers,because usually the background image of a person riding a horse is identical to a forest or tree, but this is just a color,
and each color has a unique code, for example like this.
