aerial view of canyons, mesas, and dry riverbeds in the south western united states

plain geology plateau soil badlands landscape tundra steppe terrain wilderness wadi valley grassland mountain hill prairie coast sand aerial view canyons mesas dry riverbeds south western united states southwestern aerial landscape view nature mountain mountains sky desert water travel valley flight high field air rock river plane canyon arizona land town sand altitude earth canyons southwestern usa airplane window road rural scene steppe environment climate change drought brownfield mcadorey water shortage reservoir desert background copy space tourism destination global warming mesa riverbed