architecture background brick decorative facture invoice pattern plasterwork rock stone texture wall architectural barrier blocks coloring colors colouring colours exterior external firm fitted large layered layers linear lines mortar perspectives porous rock-wall rough rugged sandstone secure sedimentary-rock shade shadows shaped solid stonework strength strong style sunlight sunshine surface surfaces textures uneven variations wallpaper weathered weathering well-built blue exhaust pavement roof sky Speaker window Cotswolds England english gray Great Britain grey old gravel pebble rocks small ba1969 canvas concrete watercolor calm calm water clouds quiet reflection stones water construction hill mountain panorama top view boulder defence defense flood red backdrop closeup desktop fastening fixing heavy historic iron iron ring material natural nature pastel ring rock wall rust rusty structure structures