aerial view of lake mead, nevada, usa

reflection mountain sky terrain cloud coast horizon plateau geology blue wave flight lake mead clouds 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 evaporative cooling conservation megadrought mcadorey aridification hoover dam temple bar marina boating rights agriculture photograph nevada showing rim formed result droughts western usa