one of the geothermal pools of Yellowstone National Park. Yellowstone was the world's first National Park. The caldera is considered an active volcano

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The Yellowstone caldera is considered an active volcano. It has erupted with tremendous force several times in the last two million years

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Size: 4288px × 2848px
Location: Yellowstone National Park Wyoming USA
Photo credit: © Brenda Kean / Alamy / Afripics
License: Royalty Free
Model Released: No

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