abstract architectural backdrop background barrier basic brick-wall cement color colored coloring colour coloured colouring constructed covered covering exterior external firm gray grey mortar perspective perspectives rainstreaked Rendered rendering secure security solid standard strength strong style surface surfaced surfaces texture textured textures traditional-brick-wall variation varied various wall walled wallpaper well-built angles appearance brown colors colours craftsmanship heritage historic local-stone old pattern patterns picturesque random randomly-coursed rock rocks rough rural shape shapes significant stone stone-walled stones stonework stucco traditional uneven variations variety patched patchwork rustic architecture brick bricks brickwork linear lines smooth assembled blankets casting-off casting-on colorful colourful connected decorative fabric formed garter-stitch knit knitted knitting knitting-needles knitting-stitches multicolored multicoloured patchwork-blanket sewing Sizes square squares stitched warm warmth wool woolen yarn