Methane bubbles trapped in a frozen pond. These are produced by rotting organic matter at the bottom of the pond | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wheeler, Dr. Keith |
Taille de l’image : | 5214 px × 3434 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |