biskra desert. algeria

aerial africa algeria algerian area arid awe badlands batna biskra blue body bright canyon city cliff climate color concept crossed culture desert destinations dramatic dry dune famous geology heat hill hope horizon lake landscape mountain nature north oasis object orange palm panoramic people place plateau province range ravine red river riverbed rock sahara sand sandstone scenery sea sky soil stone stream summer sunlight sunny temperature temporary terrain tourism travel tree vacations valley vast view wadi water wilderness