Ключевые слова: america, beautiful, blue, colourful, environment, fog, geology, geothermal, geothermal energy, geyser, heat, high, hot, hot spring, hydrochloric, hydrothermal, jade, lake, landscape, mammoth, mineral, mountains, natural, nature, outdoor, pool, recreation, relaxation, rich, rock, scenery, sky, spa, spring, steam, stream, sulphur, temperature, thermal, tourism, travel, travel destinations, turquoise, us, volcanic, warm, water, wyoming, yellowstone,