abstract background composition conglomerate contrast crack crystalline feldspar grain grained grains grainy granite gray grey grit gritty igneous-rock layered layers levels light lines mica mineralogy minerals pitted quartz rock rock-face rockface rocky rough rugged shape shaped silicate solid stone stonework strata stratum surface surfaces texture textured textures wallpaper worked architectural backdrop barrier basic brick-wall cement color colored coloring colour coloured colouring constructed covered covering exterior external firm green mortar perspective perspectives Rendered rendering secure security standard strength strong style surfaced traditional-brick-wall variation varied various wall walled well-built appearance art artistic clean cleanser cleansing colorful colors colourful colours craft craftwork curved curves decorative design details embedded exfoliant exfoliate exfoliation gourd gourds loofa loofah loofah-slices lufa luffa shapes sliced soap sponge-like vegetable vine air-bubbles aqua bubbles clear fun movement outdoor outdoors patterns pool private recreational reflection reflections relaxation relaxing ripples rippling soft surfacing swimming-pool vibrancy vibrant water water's edge wavelets wet angles backgrounds blocks contrasts cracks discoloration fitted foundation foundational growth height high large limestone linear moss old plants retaining retaining-wall stones variations variety