Pal Hermansen / Fulmar (Fulmarus glacialis) flying over sea with snow covered mountains in background. Hornsund, Sor Spitsbergen National Park, Svalbard, Norway. May 2018.

Pal Hermansen / Ice breaking up with many ice floes, aerial view. Hornsund, Southern Spitsbergen National Park, Svalbard, Norway. May 2018.

Pal Hermansen / Ship surrounded by ice floes. Greenland Sea, Hornsund, Svalbard, Norway. May 2018.

Ole Jorgen Liodden / Arctic tern (Sterna paradisaea) in flight in Hornsund, Spitsbergen, Svalbard, Norway, June.

Ole Jorgen Liodden / Mountain landscape, Hornsund in Svalbard, Norway, March.

Pal Hermansen / Limestone breaking up, Burgerbukta, Hornsund region, Svalbard, Norway, July.

Ole Jorgen Liodden / Glaucous Gull (Larus hyperboreus) perched on ice, Hornsund, Svalbard, Norway, June.

Ole Jorgen Liodden / Black guillemot (Cepphus grylle) swimming with mountain landscape behind on cloudy day, Hornsund, Svalbard, Norway, June.

Ole Jorgen Liodden / Northern fulmars (Fulmarus glacialis) squabbling on iceberg, Hornsund, Svalbard, Norway, June.

Ole Jorgen Liodden / Glaucous gull (Larus hyperboreus) perched on ice, Hornsund, Svalbard, Norway, June.

Ole Jorgen Liodden / Black-legged kittiwake (Rissa tridactyla) on ice, Hornsund, Svalbard, Norway, June.

Bryan and Cherry Alexander / Mist covered cliff at Gnarlborget, Hornsund Fiord, Spitsbergen, Svalbard, Norway.

Pal Hermansen / View to wintry landscape through hole in ice, Hornsund, Svalbard, Norway, September.

Pal Hermansen / Ice broken off glacier splashing into the sea, Hornsund, Svalbard, Norway, September.

Danny Green / Hornsund, Svalbard, Norway, August 2008. Bookplate from Danny Green's 'The Long Journey North'

Bryan and Cherry Alexander / Tourists on the bow of the "Professor Mulchanov" looking for wildlife. Hymebreen, Hornsund Fjord, Spitsbergen, Svalbard, Norway, June 2008.

Bryan and Cherry Alexander / Tourists on the bow of the "Professor Mulchanov" looking for wildlife. Hymebreen, Hornsund Fjord, Spitsbergen, Svalbard, Norway, June 2008.

Bryan and Cherry Alexander / Orographic clouds starting to condense off the end of Braemfjellet, Hornsund Fjord. Spitsbergen, Svalbard, Norway, June 2008.

Bryan and Cherry Alexander / Reflections of glaciers, clouds and mountains in Burgerbukta. Hornsund Fjord, Spitsbergen, Svalbard, Norway, June 2008.

Bryan and Cherry Alexander / Distinctive Bautaen Mountain, ground to this sharp horn shape by glaciers. Hornsund Fjord. Spitsbergen, Svalbard, Norway, June 2008.

Bryan and Cherry Alexander / Passengers on Icebreaker "Professor Mulchanov" looking for wildlife in Brepollen. Hornsund, Svalbard, Norway, June 2008.

Brent Stephenson / Svalbard poppy (Papaver dahlianum) with white flowers growing amongst the stones. Gashamna, Hornsund, Svalbard, July.

Steven Kazlowski / View of the Hornbreen glacier, Hornsund, southern Svalbard Archipelago, Norway. July 2009.

Steven Kazlowski / Flock of Black-legged kittiwakes (Rissa tridactyla) resting on ice floe in Hornsund, Burgerbukta, southern Svalbard archipelago, Norway

Steven Kazlowski / View of the Hornbreen glacier with reflections, in Hornsund, southern Svalbard Archipelago, Norway. July 2009

Steven Kazlowski / Black-legged kittiwake (Rissa tridactyla) flock in flight and diving for food next to the Burgerbukta glacier, Hornsund, southern Svalbard archipelago, Norway

Christoph Becker / Tourist boat arrives in Hornsund Svalbard, Spitsbergen, Norway

Christoph Becker / Hornsund coastal area landscape, Svalbard, Spitsbergen, Norway

Tui De Roy / On Spitsbergen Island, abundant vegetative growth is caused by run-off from seabird nesting colonies on the nearby cliffs, Hornsund, Svalbard Archipelago, Norwegian Arctic

Tui De Roy / Purple Saxifrage (Saxifraga oppositifolia) blooming on tundra fertilized by seabird nesting cliff run-off, Hornsund, Spitsbergen, Svalbard, Norwegian Arctic

Tui De Roy / Purple Saxifrage (Saxifraga oppositifolia) blooming on tundra fertilized by seabird nesting cliff run-off, Hornsund, Spitsbergen, Svalbard, Norwegian Arctic

Christoph Becker / Glacier in the Hornsund area, Svalbard, Spitsbergen, Norway

Christoph Becker / Glacier in the Hornsund area, Svalbard, Spitsbergen, Norway

Christoph Becker / Glacier in the Hornsund area, Svalbard, Spitsbergen. Norway

Christoph Becker / Hornsund area, Svalbard, Spitsbergen, Norway

Pal Hermansen / Expedition vessel in ice, spring, Hornsund, Svalbard, Norway, May.

Pal Hermansen / Spring sea ice, large sheets of floating ice off Hornsund, South Spitsbergen National Park, Norway.

Pal Hermansen / Spring sea ice, large sheets of floating ice off Hornsund, South Spitsbergen National Park, Norway.

Pal Hermansen / Female Polar bear (Ursus maritimus) with a radio collar for scientific tracking, walking across floating ice sheets, Hornsund, South Spitsbergen National Park, Svalbard, Norway, May.

Pal Hermansen / Female Polar bear (Ursus maritimus) with a radio collar for scientific tracking, walking across floating ice sheets and jumps across sea channel, Hornsund, South Spitsbergen National Park, Svalbard, N...

Pal Hermansen / Expedition vessel travelling through broken ice fragments, aerial view. Hornsund, Svalbard, Norway. May 2018.

Pal Hermansen / Ship amongst fragments of sea ice. Hornsund, Svalbard, Norway. May 2018.

Pal Hermansen / Snow covered mountains on fjord reflected in crack in ice. Hornsund, Svalbard, Norway. May 2018.

Pal Hermansen / Fulmar (Fulmarus glacialis) in flight over Arctic ocean, snow covered mountains in background. Hornsund, Svalbard, Norway. May 2018.

Pal Hermansen / Gnalberget mountain reflected in sea with melting sea ice. Gnalodden, Hornsund, Svalbard, Norway. May 2018.

Pal Hermansen / RF - Polar bear (Ursus maritimus) on sea ice. Hornsund, South Spitsbergen National Park, Svalbard, Norway. May 2018. (This image may be licensed either as rights managed or royalty free.)

Pal Hermansen / RF - Broken ice in fjord with snow covered mountain. Hornsund, Svalbard, Norway. May 2018. (This image may be licensed either as rights managed or royalty free.)