abstract architectural backdrop background balcony barrier basic brick-wall bricks brickwork cement colored coloring colors coloured colouring colours constructed exterior external linear lines mortar perspective perspectives Rendered rough secure security solid standard strength strong style surface surfaced surfaces texture textured textures traditional-brick-wall variation varied various wall walled wallpaper well-built windows brick firm rectangular smooth rough-work purple arch arches arching architecture bedrock brick-walls formation heritage historic Historic site kiln kilns light lime-kilns park patched patchwork repairs rock rock-work rocks rubble ruins shadows stone stone-wall stone-work stones structure sunlight surfacing variations vegetation walls blinds closed glass height high open reflections shade sunshine corner