Knjazhaja hunting. Morning (morning Knyazha hunting) Roerich N.K. (Part 1)

The picture has something of this: outdoors, nature, water, tree, lithograph, landscape, mountain, beautiful, grass, river, panoramic, rock, two.
Perhaps it’s a painting of a group of men on horses riding down a hill with a dog in the foreground and another man on a horse in the background.