Ключевые слова: america, background, basin, beautiful, destination, doublet, doublet pool, ecology, environment, feature, forest, formation, geothermal, geyser, habitat, heat, hot, landscape, national, natural, nature, outdoors, park, parkland, pond, pool, pretty, scene, scenery, spring, terrain, texture, travel, tree, upper, upper geyser basin, usa, vast, view, water, wild, wilderness, wyoming, yellowstone, yellowstone national park,