![](http://www.alamy.com/thumbs/6/60B1BA55-E040-46A2-B33A-F6A8C34BFB61/F6TWFW.jpg)
Bubbling Mud Hole in Yellowstone
Bubbling Mud Hole in Yellowstone National Park
Size: 5184px × 3456px
Photo credit: © Robin Runck / Alamy / Afripics
License: Royalty Free
Model Released: No
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