abstract abundance abundant appearance backdrop background colored coloring colors coloured colouring colours contrast contrasting dense density foliage green greenery growth heavy jungle leafy leaves light plants shade shadows shrubbery sunlight sunshine texture textures thick trees variations variety vegetation wallpaper Australian bush bush-foliage central-Australia color colour distinctive flora hardy leaf lines native native-plant outback plant seed-pods shrub textured wildflowers display edges evergreen fine nature park-garden selections shady stalks surface surfaces upright branches fibres bright dark garden garden-background mature-leaves yellow-green angled buildings compacting compactor diesel diesel-driven displayed doesel-motor engine equipment flatten flattening heavy-duty historic historical history machinery mechanical metal motor old railway-line road-work roller rural township vehicle vintage wheels Australia brown central Australia country side distance distant dry expanse flat formations hills landscape movement moving panoramic views plains rocks scenery scenic sightseeing speed speeding train train journey travel travelling undulating water pipeline window Alice Springs blue clear-sky desert-country desert-region height high hill hot inland rocky rough rugged scrub shrubs sky stepping-stones steps terrain