Ключевые слова: america, basin, beautiful, blue, clear, colors, crested pool, deep, depth, geothermal, geyser, hot, landscape, mineral, national, natural, nature, old faithful, outdoor, park, pool, spring, steam, steaming, thermal, transparent, travel, turquoise, upper geyser basin, usa, vapor, vibrant, vivid, volcanic, volcano, water, wyoming, yellow, yellowstone,