Ключевые слова: america, art, artistic, artwork, boardwalk, calcium, caldera, colourful, creativity, digital, digitally generated image, ecology, ecosystem, geology, heat, hot, hot spring, mammoth, mammoth hot springs, medium, mineral, mist, montana, overlook, painting, people, picturesque, pretty, scenery, scenic, states, steam, stunning, technique, terrace, thermal, tourist, united, united states, usa, vacations, vibrant, water, watercolor, watercolour, wilderness, wyoming, yellow, yellowstone,