yellowstone sunset lake

absorbing abstract active algae background bacteria billions billowing blue bright bristle brown carotenoids chlorophyll color colors cyano deep depth edge edges geologically geology geothermal geyser heat hot huge hydrothermal hydroxy intense lake largest light liquid lodgepole loving mantle mats microbes microbial minerals mist national orange organisms overtone park pigment pigmented pigments pool prism prismatic purity range ranging red scalding size sky smell spectacular spectrum spring springs sterile stretch sulfur sunset texture thermal thermophilic valley vapor vivid water wyoming yellowstone