colorful garden green light orange plant red spring sun sunshine tulip tulips yellow flower nature beach colors colours footprint grainy impressions indented patterns sand shadow textures tracks appearance arid Australia Australian brown bush central central-Australia coloring colouring contrast contrasting descriptive desert-country desert-region dry dry-brown-land foliage gravel ground hot inland outback outcrops perspective perspectives rocks rocky rough rugged scrub shrubbery sky sunlight terrain trees vegetation border color colour decoration decorative frame image painting perpendicular quadrilateral rectangle square vertical