Gas bubles escaping from the Mud Volcano, Yellowstone National Park, USA

---

Size: 5315px × 3543px
Photo credit: © Chris Howes/Wild Places Photography / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: bubbles, bubbling, erupting, escaping, gas, hot, hydrogen, mud, national, park, sulfide, sulphide, usa, volcano, yellowstone