clouds and sunshine over the grand teton mountains.

clouds sunshine grand teton mountains american national park wyoming peaks range mid-latitude temperate ecosystems nomadic hunter-gatherer paleo-indians shoshone natives exploration yellowstone jackson hole preserve range#39aph39#s valley conservationists john rockefeller pristine ecosystem protection native threatened mountaineering hiking recreation world-renowned camping tourism tourist vacation travel destination protected sky air atmosphere earth heavens celestial heaven: • azure • heavens • lid • celestial sphere • earth#39aph39#s azure lid sphere blue heaven wild yonder cloudy skies stormy cloud particles water ice air elevation earth#39aph39#s fog mist vapor veil billow fogginess frost haze nebula nebulosity