There was some dents in the canvas, the aftermath of the sketching. I sprayed some water behind the canvas that it can retauten.
I like to use a sponge to paint backrounds to my paintings.
Is here anything impossible in the world? Anything you couldn't made by a paintbrush and your mind. And then there is nothing other, only this matter: you become picture something personal. Your hands can do something that comes from your heart!