Before revision: alt=Audio and video of small geyser erupting as people watch.|thumbtime=76|150px|Cold-water geyser Wallender Born (Germany) Notes References Glennon, J.A.
After revision: alt=Audio and video of small geyser erupting as people watch.|thumbtime=76|150px|Cold-water geyser Wallender Born (Germany) References Glennon, J.A.