Sapphire Pool steams on a stormy morning. Original public domain image from Flickr https://www.rawpixel.com/image/4032568/photo-image-background-nature-mountainFree Image from public domain licenseCoyote standing near Biscuit Basin, Yellowstone National Park. Original public domain image from Flickr https://www.rawpixel.com/image/4039857/coyote-near-biscuit-basinFree Image from public domain licenseSapphire Pool, Biscuit Basin by Jim Peaco. Original public domain image from Flickr https://www.rawpixel.com/image/4038662/photo-image-tree-ocean-plantFree Image from public domain licenseJewel Geyser erupts on a summer morning by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038026/photo-image-nature-mountain-waterFree Image from public domain license