Ключевые слова: america, basin, beautiful, blue, clear, colors, 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,