massive chalky limestone slab on the nahal akev stream in the zin valley in israel

akev beaten bed beige ben bluff boqer chalk clouds copy desert desertscape easy ecosystem ecotourism ein empty few geological geology geomorphology gurion hatsinim highlands hike hiking isolation israel landscape limestone lonely metsukei midreshet mountains nature negev off path phenonenon reserve road sde season sky slabs solitude space sparse spring stark stream streambed touring trail travel vegetation wanderlust wilderness with zin