abstract appearance background brown colored coloring colors coloured colouring colours conglomerate contours contrast contrasts cracks fissures flaws grit gritty layered layers levels light lines natural rock rock-face rockface rocky rough rugged shade shadows shape shaped shapes stone strata stratum sunlight sunny sunshine surface surfaces texture textured textures veins wallpaper mica silicate angles appearances color colorful colour colourful contrasting covered walkways decorative designed distinctive elements external ferns flora flowers foliage garden green greenery leaves path peace peaceful perspectives plants quality shrubbery shrubs Sizes style styles swimming-pool trees variety views wall