appearance arid Australia Australian brown bush central central-Australia coloring colors colouring colours contrast contrasting descriptive desert-country desert-region distance distant drought dry dry-brown-land far foliage gravel ground hills hilly hot inland light outback outcrops perspective perspectives road rocks rocky rough rugged scrub shrubbery sky sunlight sunshine terrain textures trees vegetation locomotive metal rail railro railway train coloured pebbled pebbles stones texture blue bridge dubai lights neon night street UAE crawler dozer historic old rusted spoke spokes wheel bumper danger diagonal end railroad srtipe stripes wear worn yellow engine gear icon mechanical pictogram profiled sign sprocket symbol teeth column decay dock door export freight garage graffiti import loading receive send truck