Chromatic Pool and surrounds on a clear day, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Chromatic Pool, Upper Geyser Basin, Yellowstone National Park, Wyoming, UNESCO World Heritage Site, Wyoming, United States of America, North America

September 12, 2009 - Chromatic Pool Hot Spring, Upper Geyser Basin geothermal area, Yellowstone Caldera, Yellowstone National Park, Wyoming.

September 12, 2009 - Chromatic Pool Hot Spring, Upper Geyser Basin geothermal area, Yellowstone Caldera, Yellowstone National Park, Wyoming.

Chromatic Pool, in the Norris Geyser Basin area, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Chromatic Spring in Upper Geyser Basin, Yellowstone National Park, Wyoming, USA

Chromatic Pool Geyser, thunderstorm clouds at the back, Upper Geyser Basin, geysers, geothermal hot-pools, Yellowstone National Park, Wyoming, USA

Chromatic Pool Geyser, stormy atmosphere, Upper Geyser Basin, geothermal springs in Yellowstone National Park, Wyoming, United States of America, USA

Chromatic Pool Geyser, stormy atmosphere, Upper Geyser Basin, geothermal springs in Yellowstone National Park, Wyoming, United States of America, USA