Oops, I goofed on the original artist.
I recently joined a watercolor group devoted to study Old Masters' landscape paintings. We try to copy the painting in watercolor. It is easy, NOT. One would think the work is already done and it is, as far as the composition. But trying to unravel the color mixes, creating the values while trying to paint in a manner that is somewhat alien, is really a challenge. I love it and know I will learn a lot.