Australia blue brown bush central Australia clear-sky desert-country desert-region dry foliage gully height high hill hot inland outback rocks rocky rough rugged scrub shrubbery shrubs sky sunlight sunshine terrain textures trees vegetation arid barren Camp desert dwelling harsh hills home Israel Jerusalem Judean landscape nomad plants sere sparse wilderness xerophytes Azazel bleak hard hilltop limestone middle east mount natural nature palestine stark town village wadi central-Australia light rustic stepping-stones steps Alice Springs bare danger heights Massada mountain plain rock view yellow contours cyclists distant far ridges travel bedouin direction distance donkey Jericho journey Judea mountains severe