abstract architectural backdrop background barrier brick brick-wall bricks brickwork cement coloring colors colouring colours constructed exterior external firm linear lines mortar perspective perspectives rectangular secure security smooth solid standard strength strong style surface surfaced surfaces texture textured textures traditional-brick-wall variation varied various wall walled wallpaper well-built abundance backyard ceramics contrasting decorative density flora flowers foliage garden garden-background green greenery growth horticultural horticulture leafy leaves light nature ornamental ornaments patterns plants pottery shade shadows shapes spread spreading sunlight sunshine thick thin undergrowth variations variety vegetation