Iceberg with a resting group of Adelie penguins

 

Iceberg with a resting group of Adelie penguins. The iceberg consists of blue ice, indicating that this is very old ice from deeper parts of the Antarctic ice sheet. Image was taken in the northern part of the Weddell Sea, Southern Ocean, Antarctica during expedition ANT-VIII/3 of the German research vessel POLARSTERN. Photo by Hannes Grobe, AWI