![](http://www.alamy.com/thumbs/6/A71A0133-6717-4F16-89AD-06383D7C237B/E7MB20.jpg)
Bubbling mud pool background, taken close to Rotorua (New Zealand).
Size: 4620px × 3080px
Photo credit: © Stephan Raats / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: -urban, backgrounds, brown, bubble, circle, close-, dirty, empty, famous, geography, geology, gray, heat, hot, liquid, mud, mudpool, nature, outdoors, pattern, physical, place, pool, pots, rotorua, rural, scene, simplicity, smell, spa, sparse, spring, temperature, thermal, treatment, unpleasant, zealand