bottom of the unique makhtesh ramon crater in israel in the ardon valley

ardon arid barren black bottom canyon colorful copy crater desert desertscape desolate dry ecotourism empty environment geological geology harsh harut hiking hill israel juts landform landscape loneliness looking makhtesh mitzpe nature negev northwest patina people phenonenon plants ramon reddish road rocks rocky rugged sandstone soil soils space sparse stark terrain tour trail travel unique valley varnish vegetation wilderness