clouds curve curves distance grass guidance holiday horizon landscape loneliness meadow move on nature outlook perspective plain plains railroad road to nowhere sky summer tansport track tracks trail transportation travel trip vacation abstract appearance architectural architecture background barrier building color colored colour coloured corrugated corrugations elements external galvanised galvanized metal multicolored multicoloured perspectives raised rounded smooth strength strong surface surfaces texture textures variations wall angles appearances basic brick wall bricks cement colors colours firm mortar rough solid standard traditional brick wall wallpaper walls blended colorful colourful decorative design details interconnected interwoven light lined patterns pillow-stuffing shape shaped shapes style textured thick thin vibrant blue glazed glazing hard interlinked linked above angle exhaust pipes grooved grooves height high protection roof roofing rooftop safety security shadows shopping centre shops sunlight ventilation exhaust pipes ventilation system cloud conditions contrast fine formations gray grey heavy lighting movement shining skies southern spreading sun various cloud formations weather white