EDIT 1 : No, it is not a photomanip, you have all the references below and you'll can see I didn't cut any photos
I have only a thing to say: "PHEW"! I finally ended this illustration which gave a headache to me! At first I began with the horse then I searched for him a background : a kind of mountain but it is finally beyond the clouds that it spends the scene.
I was inspired by a Bob Langrish's photo [link] for the backgroung because I liked these orangy colors.
I am not very satisfied about it but I am satisfied to have finished !