832-394756 - Turquoise clear water of a hot spring, Sapphire Pool, Black Sand Basin and Biscuit Basin, Yellowstone National Park, Wyoming, USA, North America
832-394757 - Turquoise clear water of a hot spring, Sapphire Pool, Black Sand Basin and Biscuit Basin, Yellowstone National Park, Wyoming, USA, North America
1112-6122 - Geothermal mud pot in Biscuit Basin in Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America