Roy Mangersnes / Waterfalls from the enormous glacier front Austfonna, in evening light, Svalbard, Norway, July.

Roy Mangersnes / Stunning blue iceberg in sheltered fjord on west coast of Spitsbergen, Svalbard, Norway, July.

Roy Mangersnes / Glacier calving causing kittiwakes (Rissa tridactyla) to take to the air in panic, west coast of Svalbard, Norway, August.

Roy Mangersnes / Austfonna glacier melting to form waterfall, Nordaustlandet, Svalbard, Norway, August.

Roy Mangersnes / Glacier front in Mohn Bay, east coast of Spitsbergen, Svalbard, Norway, April.

Roy Mangersnes / Patterns in the glacier front, near Mohn Bay, Spitsbergen, Svalbard, Norway, March.

Roy Mangersnes / Polar bear (Ursus maritimus) in front of Von Post Glacier, Spitsbergen, Svalbard, Norway, March.