Sulphide spring in Yellowstone National Park

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Size: 5338px × 3559px
Photo credit: © Melissa Kopka / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: activity, basin, crust, dangerous, earth, feature, geothermal, geyser, grass, hot, landscape, national, natural, nature, park, sign, spring, thermal, upper, volcanic, water, wyoming, yellowstone