Ключевые слова: abstract, acidic, algae, awesome, bacteria, boiling, cyanidium algae, cyanobacteria, energy, fascinating, geologic, geothermal, geysers, grand prismatic spring, hot, hydrothermal, iron, microbes, microbial, microorganisms, microscopic, midway geyser basin, mineral, orange, organisms, oxide, powerful, steam, thermal, thermophiles, tourism, volcanic, water, yellowstone,