abstract appearance architectural background colors colours concrete decorative Designs details distinct distinctive edged edges embedded exterior external gray grey heavy interconnected interlinked light linear lined mosaic patterned pebbles protective rough secure shapes Sizes solid stones strength strong surface surfaced surfaces texture textured textures thick uneven varied various wall wallpaper brown colored coloring coloured colouring conglomerate contours contrast cracks fissures flaws layered layers levels lines natural quartz rock rock-face rockface rocky seam seams shade shadows shape shaped stone strata stratum sunlight sunny sunshine veins angles broad clinging close-up color colour droplets drops foliage green greenery large leaf leaves moist moisture patterns plant rain raindrops reflection reflections reflective ribbed ribbing ribs ridges round rounded running suspended vegetation veined water wet abundant bright circular colorful colourful connect connectors fun games geometric join. joining multicolored multicoloured perspectives pieces plastic plentiful recreation rimmed rims surfacing toys vibrant wheels fancy rectangular slabs smooth stonework style symmetrical symmetry thin tiled tiles variation blue ceramic contrasting decoration designed glazed glazing grouting matrix orange squares texturing tiling yellow