Bacteria stained a hot spring runoff in vivid colors. Yellowstone National Park, Wyoming, USA

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Photo credit: © Gabbro / Alamy / Afripics
License: Licensed
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Keywords: america, american, bacteria, colorful, geothermal, hot, landscape, national, north, park, runoff, snow, spring, stain, states, steam, united, usa, water, winter, wyoming, yellowstone