appearance Australia Australian brown bush central central-Australia coloring colors colouring colours contrast contrasting descriptive distance distant drought dry dry-brown-land flat grass grasses hardy hilly light outback perspective perspectives river river-bed rocks rocky rough sand sandy scrub shrubbery shrubs slope slopes sloping survival trees vegetation waterless abstract art bolted circular cogs colored coloured component components connected connections decorative distinctive electrical electronic-component electronics equipment exposed fixed gadgetry green grunge hard inside internal linked links machinery metal movement moving-parts open opened part parts product psychedelic-colors psychedelic-colours round screws surface surfaces technology teeth angled angles background blended colorful colourful columns dark design details ethnic geometric geometrical interconnected interwoven linear lined lines multicolored multicoloured pattern patterned patterns rows shape shaped shapes style surfaced surfacing texture textured textures thick thin vibrant wallpaper zigzagging zigzags appearances arid Cacti cactus clumps clusters display edge edges flora frilled frills garden-display garden-plants irregular leaves ornamental perennials plants pointed protection ribbed ribbing ribs sharp short-spikes small-spines spikes spines spiny succulents sunlight tall unusual artwork bits bright chips designed external grouting interlinked matrix mosaic outdoors outside park playground public shards small texturing tiled tiles tiling