Australian color colored colorful colors colour coloured colourful colours compacted cracked firm pindan red sandy Soil surface texture textures abstract appearance background central-Australia red-centre wallpaper activity ants bull ants danger entrance insects nest painful bight flora foliage groundcover growth leaf leaves light lines low low-plants native native-plants red soil vegetation coloring colouring conglomerate contours contrast cracks fissures flaws layered layers levels north northerm rock rough seam seams shade shadows stone strata stratum sunlight sunny sunshine surfaces textured veins