angles arid Australia barren bedrock blue-sky brown bush bushland clouds crest drought drought-stricken dry geological-formation geology height high hill hot inland isolated landscape outback outcrops plants remote ridge rocks rocky rough rugged scrub shadows shapes shrubbery shrubs sky slopes sparse stone stones sunlight sunshine terrain textures trees vegetation Alice-Springs buildings central-Australia gullies homes mountain-range ridges mountains pebble rock wall erosion shore volcanic water blue green nature jordan mountain national park sandstone holiday national park bridge desert sand wadi rum break bright calm coast coastal fresh peaceful reflective relax sea seawater summer sun sunny tranquillity warm cliffs Red Rocks spring Utah white waterfall