Alice Springs Australia blue brown bush central Australia clear-sky desert-country desert-region dry gully height high hot inland outback ridge rocks rocky rough rugged scrub shrubbery sky sunlight sunshine terrain textures trees blue-tinged central-Australia hill hills historic mountainous mountains Desert Mountains Dirt fins formation green hoodoos limestone red rock rust sand Slot Canyons spires springtime Utah ancient architecture damaged decay decayed deserted outlook perspective Remains ruin ruinous view vista wall window windows foliage shrubs vegetation