abstract angled angles appearance background bricks color colorful colour colourful concrete Designs detailed detailing distinctive footpath grooves ground level light path pattern patterned patterns pavement pavers paving paving-bricks rough shaped shapes smooth stones stonework surface surfaces textured textures brick brickwall pebble pebbles rock rocks stone stonewall texture tile wall wallpaper broken building derelict masonry rubble dial face sun sundial time timepieces red shadow british window