colorful secondary dry stream bed in the yeruham large crater in israel

arid bed big blue boqer cirque clear cliff colorful copy crater desert desertscape detail dirt dry earth ecotourism end erosion formation formations geological geology geomorphology great habitat hagadol hamakhtesh harsh hatira hiking illustration israel landform landscape limestone nahal nature near negev off orange red road rock sand sandstone science sde sky soil southwest space stream touring tourism travel unique vegetation wadi wilderness yerucham