![](http://www.alamy.com/thumbs/6/69A06EF8-DE6C-41CA-8BAD-0989ADA7E15A/A7KEKB.jpg)
Geothermal activity creates sulfur pools and cracked mud at BUMPASS HELL in LASSEN NATIONAL PARK CALIFORNIA
Size: 5120px × 3413px
Location: Lassen National Park, California
Photo credit: © Craig Lovell / Eagle Visions Photography / Alamy / Afripics
License: Licensed
Model Released: No
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