pattern rock stone texture wall brick cobblestone pavement street wallpaper bricks pebble rocks stones ancient brown construction rural ba1969 colours grunge plaster arch arches arching architectural architecture bedrock brick-walls brickwork colors formation heritage historic Historic site kiln kilns light lime-kilns park patched patchwork repairs rock-work rubble ruins shadows stone-wall stone-work structure sunlight surfaced surfaces surfacing textured textures variations varied vegetation walls rectangles sunny block cement red space