aerial view of lake mead, nevada, usa

mountain sky cloud reflection sea plateau snow terrain coast horizon arctic flight landscape geology ocean plain wave aerial photograph lake mead nevada showing effects water use drought mead sky clouds cloud blue nature air white heaven weather day landscape cloudscape cloudy aerial high space fly light view beauty atmosphere abstract cumulus water drought environment environmental issues climate change global warming use las vegas real estate bathtub ring colorado river rocky mountains cooling conservation megadrought mcadorey aridification hoover dam temple bar marina boating rights agriculture