abstract appearance background coloring colors colouring colours contours contrast contrasts cracks fissures flaws gorge layered layers levels light lines natural pool ravine reflections rock rock-face rockface rocks rocky rough rugged shade shadows shape shapes steep stone stones strata stratum sunlight sunny sunshine surfaces texture textured textures walls water brown colored coloured conglomerate grit gritty shaped surface veins wallpaper antique architecture art backdrop build close closeup color cracked decor decorative design detail dirty exterior fissure gap granite gray grey ground grunge hard home illustration image landmark macro material Mineral nature old pattern retro seamless structure uneven view vintage wall angles garden-wall shades-of-color shades-of-colour breaking-through quartz ribbons shades of color shades of colour block edged edges edging heavy large red shadow solid split strength variations