Werner Bollmann / Potholes formed by glacier, Bohuslan Archipelago, Sweden, July 2015.

Werner Bollmann / Ruff (Philomachus pugnax) silhouetted in flight, Varanger Peninsula, Norway, May.

Werner Bollmann / Looking up into Beech tree canopy (Fagus sylvatica) in spring, Denmark, April 2015.

Werner Bollmann / Patterns in rock at the edge of a rock pool, St. Anna Archipelago, Sweden, August 2014.

Werner Bollmann / Small rocky islands or skerries, Stockholm Archipelago, Sweden, August.

Werner Bollmann / Small rocky islands or skerries, Stockholm Archipelago, Sweden, August.

Werner Bollmann / Patterns in glacial terminus, Svalbard, Norway, March 2014.

Werner Bollmann / Arctic fox (Alopex lagopus) in winter coat camouflaged in snow, Svalbard, Norway, March 2014.

Werner Bollmann / View from Breikampen, Svalbard, Norway, March 2014.

Werner Bollmann / Landscape of Adventdalen, Svalbard, Norway, March 2014.

Werner Bollmann / Svalbard reindeer (Rangifer tarandus platyrhynchus) Hotellneset, Svalbard, Norway, March 2014.

Werner Bollmann / Long exposure of Kitka River with snowy forest, Kayla, Finland, January 2014.