![](http://www.alamy.com/thumbs/6/9CE54899-1E60-4B9E-8808-B4C180D06A70/JGCT89.jpg)
Tourists on the boardwalk at Artists Paintpots in Yellowstone National Park. One woman is wearing a mouth cap against the sulphur smell
Size: 4292px × 2861px
Location: Artist's Paintpots Trail, Yellowstone National Park, WY, United States
Photo credit: © Astrid Hinderks / Alamy / Afripics
License: Licensed
Model Released: No
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