Ключевые слова: adventure, attraction, beautiful, blue, clouds, colorful, energy, erupting, eruption, faithful, famous, fountain, geology, geothermal, geyser, heat, hot, jet, landmark, landscape, mineral, national, natural, nature, old, old faithful, outdoor, park, peaceful, pure, recreation, scenery, scenic, sky, spring, steam, summer, thermal, tourism, tourist, travel, usa, vacation, volcanic, volcano, water, wilderness, wyoming, yellowstone,