USA, Wyoming, Yellowstone National Park, Midway Geyser Basin, Grand Prismatic Pool, pool runoff of orange bacteria and algae (ca

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USA, Wyoming, Yellowstone National Park, Midway Geyser Basin, Grand Prismatic Pool, pool runoff of orange bacteria and algae (called Therophiles), tourist looking on

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Size: 3415px × 5122px
Photo credit: © Richard Maschmeyer / Alamy / Afripics
License: Licensed
Model Released: No

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