Wikimedi'Òc

Grand Prismatic Spring, Yellowstone National Park (3646969937).jpg - Ibrahim.ID

Grand Prismatic Spring, Midway Basin, Yellowstone National Park - what a fantastic sight! (3643724147).jpg - Ibrahim.ID

Grand Prismatic Pool and Excelsior Geyser Crater (3952550207).jpg - File Upload Bot (Magnus Manske)

Runoff from Elexsior Geyser into the Firehole River - panoramio.jpg - Panoramio upload bot