Category:Scenic
Subcategory:Landscapes
Subcategory Detail:
Keywords:Back Basin, Pearl Geyser, blue, calcite, geothermal, heat, hot, hot spring, hot water, national park, natural, nature, norris geyser basin, park, rock, spring, steam, supervolcano, thermal, thermal, volcanic, volcano, water, water, wyoming, yellowstone, yellowstone national park
