Ключевые слова: adventure, ancient, backgrounds, basin, beautiful, blue, boil, clouds, crater hills geyser, day, destination, erupt, erupting, eruption, exploding, geothermal, geyser, hayden valley, heat, hot, landmark, landscape, montana, mountains, national, natural, nature, old, outdoor, park, place, power, pressure, regular, scenic, sky, spraying, steam, sulphur spring, summer, thermal, tourism, vent, vertical, volcanic, volcano, water, white, wyoming, yellowstone,