Steamy aqua blue crystal clear volcanic springs in the Norris Geyser Basin of Yellowstone National Park

pool clear water aqua blue geyser hot steam steamy volcanic volcano norris geyser basin yellowstone national park fumerole acidic geothermal eruption colorful travel holiday vacation nature environment geology boiling bubbling spring mineral crater sulphur sulphuric champagne crystal sapphire spectacular active thermal lake fog mist misty overcast natural beautiful tranquill attraction calm tourist