When snow and ice accumulate and create pressure on bottom layers,a glacier is formed. Tidewater glaciers like the Twin Sawyer Glaciers extend all the way to the sea in Alaska's Tracy Arm,where icebergs calve off into the water | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Steinberg, James |
Taille de l’image : | 5103 px × 3422 px |
Model Release : | Non requis |
Restrictions : |
|