solid surface dirt, grass, or pavement various colors, shapes, and textures a horizon line fences, trees, or other objects in the background shadows cast by the sun or other light sources
ground which has solid surface ground which has dirt, grass, or pavement ground which has various colors, shapes, and textures ground which is a horizon line ground which has fences, trees, or other objects in the background ground which has shadows cast by the sun or other light sources