Ключевые слова: algae, bacteria, bacterial, basin, blue, boiling, caldera, colorful, crested, erupt, erupting, eruption, faithful, famous, fog, formation, geology, geothermal, geyser, geyserite, geysers, geysir, green, hot, landmark, landscape, mist, national, natural, nature, old, orange, park, pool, reflection, rock, scenic, sinter, sky, spring, steam, thermal, thermophilic, upper, volcanic, volcano, water, white, wyoming, yellowstone,