Loic Poidevin / Gorner glacier with Mont Rose and Lyskamm, Swiss Alps, Valais, Switzerland. September 2018.

John Waters / Timelapse of temperature inversion clouds at sunset, Swiss Alps, Switzerland. October 2013.

Georgette Douwma / Swiss cheese plant (Monstera deliciosa) in flower, close up of spadix.

Markus Varesvuo / Fieldfare (Turdus pilaris) on fruit tree in snow. Helsinki, Finland. January. Overall winner in the Swiss Ornithological Institute photography competition 2013.

Kristel Richard / An Einsiedler / Swiss warmblood mare (Equus caballus) cantering, Schwyz, Switzerland, July.

Merryn Thomas / View of Lauterbrunnen village and waterfall, Bernese Oberland, Switzerland, June 2012.

Merryn Thomas,Merryn Thomas / Globeflowers (Trollius), Lauterbrunnen Valley, Bernese Oberland, Switzerland, June 2012.

Jean E. Roche / Reproduction of early 20th century postal card possibly by Chr. Brennenstuhl, showing glacier 'Rhone Glacier' in Swiss Alps and mountains with buildings in foreground. Compare with image 01403313 show...

Michel Roggo / Underwater landscape in mountain lake with Rainbow trout, Berner Oberland, Swiss Alps, Switzerland, March

Michel Roggo / Underwater landscape in mountain creek, Swiss Alps, Gruyre, Fribourg, Switzerland, December

Michel Roggo / Underwater landscape in mountain creek, Swiss Alps, Gruyre, Fribourg, Switzerland, January

Michel Roggo / Underwater landscape in mountain creek, Swiss Alps, Gruyre, Fribourg, Switzerland, December

Michel Roggo / Brown trout (Salmo trutta fario) under waterfall, waiting for drift food, Saane river tributary, Swiss Alps, Fribourg, Switzerland 2006

Jeff Wilson / Camera crew searching for crevasse to film in, Gorner glacier, near Zermatt in the Swiss Alps, Switzerland. For BBC Planet Earth series, Mountains episode, 2006

Jeff Wilson / Film crew lowering camera into crevasse in Gorner glacier, near Zermatt in the Swiss Alps, Switzerland, for BBC Planet Earth series, Mountains episode, 2006

Wild Wonders of Europe / Giesbers / Swiss hawkbit (Leontodon helveticus) in flower, Liechtenstein, June 2009

Wild Wonders of Europe / Giesbers / Swiss hawkbit (Leontodon helveticus) closed flower, Liechtenstein, June 2009

Rolf Nussbaumer / Matterhorn at dawn, Zermatt, Swiss Alps, Switzerland

Konrad Wothe / Alpine Ibex (Capra ibex) pair, Swiss Alps, Europe

Konrad Wothe / Alpine Ibex (Capra ibex) male with Swiss Alps in background, Europe

Konrad Wothe / Alpine Ibex (Capra ibex) male grazing with Swiss Alps in background, Europe

Konrad Wothe / Alpine Ibex (Capra ibex) male with Swiss Alps in background, Europe

Ingo Arndt / Wildlife photographer Ingo Arndt photographing Bearded vulture in Swiss alps. Valais, Switzerland. December 2017.

Michel Roggo / Dive camp of Swiss-Russian dive team on frozen Lake Baikal. Near shore, aerial shot. Photographed for The Freshwater Project extended. Near Khuzhir, Olchon Island, Irkutsk Oblast and Buryat Republic,...

Michel Roggo / Dive camp of Swiss-Russian dive team on frozen Lake Baikal. Near shore, aerial shot. Photographed for The Freshwater Project extended. Near Khuzhir, Olchon Island, Irkutsk Oblast and Buryat Republic,...

Michel Roggo / Dive camp of Swiss-Russian dive team on frozen Lake Baikal. Near shore, aerial shot. Photographed for The Freshwater Project extended. Near Khuzhir, Olchon Island, Irkutsk Oblast and Buryat Republic,...

Loic Poidevin / Observatory of Gornergrat, Mont Cervin, Matterhorn, Swiss Alps, Valais, Switzerland, September 2018.

Konrad Wothe / Globe flowers (Trollius europaeus) on Augstmatthorn mountain, Swiss Alps, Switzerland. June 2017.

Chase Dekker / Hiker and mountain, Eiger, Switzerland

Chase Dekker / Mountains in autumn, Eiger and Moench, Switzerland

Chase Dekker / Swiss Alps reflecting in Lake Bachalpsee, Grindelwald, Switzerland

Ashley Cooper / Solar panels on the Cabanne D' Orny in the Swiss Alps, providing electricity for this off grid mountain hut at over 10,000 feet. Switzerland, August 2014

Ashley Cooper / Solar panels on the Cabanne D' Orny in the Swiss Alps, providing electricity for this off grid mountain hut at over 10,000 feet. Switzerland, August 2014

Ashley Cooper / Water turbine on the dam, Lake Emerson on the French Swiss border to generate hydro electric power, Chamonix, Alps, France, September 2007.

Ashley Cooper / Lake Emerson on the French Swiss border to generate hydro electric power, Chamonix, France, September 2007.

Heike Odermatt / Sunlight hitting mountain, Aletsch Glacier, Wallis, Swiss Alps, Switzerland

Konrad Wothe / Globe flowers (Trollius europaeus) and bright sunshine, Augstmatthorn Mountain, Swiss Alps, Switzerland, Europe

Michel Roggo / Aerial view of Swiss Camp, where CIRES Director Konrad Steffen has conducted research on the Sermersuaq / Greenland ice sheet since 1990. lulissat Icefjord UNESCO World Heritage Site, Sermersuaq / Gre...

Laurent Geslin / Photographer Laurent Geslin, testing his camera trap at night, Swiss Alps, Switzerland, October 2013.

Laurent Geslin / Portrait of photographer Laurent Geslin in photography hide, Swiss Alps, Switzerland, November 2015.

Laurent Geslin / Photographer Laurent Geslin, testing his camera trap at night, Swiss Alps, Switzerland, November 2015.

Laurent Geslin / Roe deer (Capreolus capreolus) camera trap image, Swiss Alps, Switzerland, November.

Laurent Geslin / Eurasian lynx (Lynx lynx) footprint in snow, with Swiss army knife for scale, Switzerland, February.

Alex Hyde / Swiss cheese plant (Monstera deliciosa) Osa Peninsula, Costa Rica.

Paul D Stewart / The history of life, proposed by Swiss-American naturalist Louis Agassiz. Agassiz would disagree strongly with Darwin's theory of evolution. This diagram from 1855 shows how he understood biological...

Paul D Stewart / Photograph of Jean Louis Rodolphe Agassiz (1807-1873) shown teaching at a blackboard. Agassiz was a Swiss- American palaeontologist, geologist and glaciologist, and the main opponent to Darwin's Theor...

Pal Hermansen / Spotted nutcracker (Nucifraga caryocatactes) on cone from Swiss pine, Central Sweden August

Pal Hermansen / Spotted nutcracker (Nucifraga caryocatactes) eating from a cone Swiss pine, Sweden August

Pal Hermansen / Spotted nutcracker (Nucifraga caryocatactes) with seed of Swiss pine in beak, Sweden August

David Pattyn / Winter landscape with view towards the high Swiss Alps. Bernese Alps, Switzerland, November 2014

David Pattyn / Winter landscape with view towards the high Swiss Alps at sunset. Bernese Alps, Switzerland, November 2014

Georgette Douwma / Swiss cheese plant (Monstera deliciosa) in flower.

Georgette Douwma / Swiss cheese plant (Monstera deliciosa) in flower, close up of spadix.

Laurent Geslin / Young wild European lynx (Lynx lynx) released in Swiss Alps after rehabilitation, this lynx was found starving. Switzerland, May 2013.

Laurent Geslin / Swiss warden collecting a dead wild European lynx (Lynx lynx) killed on a motorway, Switzerland, May 2014.

Laurent Geslin / Swiss warden collecting a dead wild European lynx (Lynx lynx) killed on a motorway, Switzerland, May 2014.

Petra Wegner / Greater Swiss Mountain Dog, male age 7 years. Portrait against white background.

Petra Wegner / Greater Swiss Mountain Dog, male age 7 years. Portrait against white background.

Petra Wegner / Greater Swiss Mountain Dog, male age 7 years. Portrait against white background.

Petra Wegner / White Swiss Shepherd Dog, puppy age 14 weeks resting in basket.

Petra Wegner / White Swiss Shepherd Dog, bitch, age 10 years resting on rug with pup age 14 weeks.

Petra Wegner / White Swiss Shepherd Dog, bitch, age 10 years resting on rug with pup age 14 weeks.

Petra Wegner / White Swiss Shepherd Dog, bitch, age 10 years resting on rug with pup age 14 weeks.

Petra Wegner / White Swiss Shepherd Dog, bitch, age 10 years resting on rug.

Petra Wegner / White Swiss Shepherd Dog, bitch, age 10 years resting on rug.

Floris van Breugel / Weisshorn, seen from the Schwarzhorn at sunrise, Swiss Alps, Switzerland. August 2007.

Andy Trowbridge / Colourful pink sky at dawn reflected in Fenetre Lake / Lac de Fenetre in Swiss Alps, 2456 m above sea level. Mont Blanc, Grande Jorasses, Aiguille du Talefre, Aiguille du Triolet and Mont Dolent in F...

Andy Trowbridge / Panoramic of Fenetre Lake / Lac de Fenetre in Swiss Alps, 2456 m above sea level. Mont Blanc, Grande Jorasses, Aiguille du Talefre, Aiguille du Triolet and Mont Dolent in Ferret Valley (Val Ferret) b...

Andy Trowbridge / Fenetre Lake / Lac de Fenetre in Swiss Alps, 2456 m above sea level. Mont Blanc, Grande Jorasses, Aiguille du Talefre, Aiguille du Triolet and Mont Dolent in Ferret Valley (Val Ferret) beyond. Canton...

Andy Trowbridge / Stars over Fenetre Lake (Lac de Fenêtre in French) in Swiss Alps, 2456 m above sea level. Grande Jorasses, Aiguille du Talèfre, Aiguille du Triolet and Mont Dolent in Ferret Valley (Val Ferret) beyo...

Kristel Richard / Two Einsiedler / Swiss warmblood mares (Equus caballus) galloping, Schwyz, Switzerland, July.

Kristel Richard / An Einsiedler / Swiss warmblood mare (Equus caballus) galloping, Schwyz, Switzerland, July.

Kristel Richard / An Einsiedler / Swiss warmblood mare (Equus caballus) galloping, Schwyz, Switzerland, July.

Kristel Richard / Six Einsiedler / Swiss warmblood (Equus caballus) mares and geldings galloping, Schwyz, Switzerland, July.

Kristel Richard / Six Einsiedler / Swiss warmblood (Equus caballus) mares and geldings galloping, Schwyz, Switzerland, July.

Kristel Richard / An Einsiedler / Swiss warmblood (Equus caballus) filly, Schwyz, Switzerland, July.

Kristel Richard / An Einsiedler / Swiss warmblood mare (Equus caballus) cantering with her filly, Schwyz, Switzerland, July.

Thomas Marent / Larch (Larix sp) forest below the Matterhorn, Switzerland

Thomas Marent / Larch (Larix sp) forest around train at the foot of the Matterhorn, Switzerland

Thomas Marent / The Matterhorn reflected in the Riffelsee Lake at dusk, Switzerland

Thomas Marent / Matterhorn reflected in the Riffelsee Lake under a full moon, Switzerland

Thomas Marent / Matterhorn reflected in the Riffelsee Lake under a full moon, Switzerland

Thomas Marent / The Matterhorn, Switzerland

Thomas Marent / The Matterhorn, Switzerland

Laurent Geslin / Landscape in mist, Swiss National Park, Alps, Swizerland. Not for sale to magazines.

Laurent Geslin / Paragliding above the clouds in the Swiss Alps. Saleve, near Geneva, Switzerland

Laurent Geslin / Paragliding above the clouds in the Swiss Alps. Saleve, near Geneva, Switzerland

Laurent Geslin / Alpine Chough (Pyrrhocorax graculus) on rocks beside Swiss National Park sign. Switzerland

Gavin Hellier / Deep winter snow on a rooftop in St. Moritz, Upper Engadine, Oberengadin, Graubunden region, Swiss Alps, Switzerland, 2009

Gavin Hellier / Deep winter snow on a rooftop in St. Moritz, Upper Engadine, Oberengadin, Graubunden region, Swiss Alps, Switzerland, 2009

Gavin Hellier / Ski slopes and resort of Four Valleys region, Valais, Verbier, Bernese Alps, Switzerland January 2009

Gavin Hellier / Ski slopes and resort of Four Valleys region, Valais, Verbier, Bernese Alps, Switzerland January 2009

Gavin Hellier / Ski slopes and resort of Four Valleys region, Valais, Verbier, Bernese Alps, Switzerland January 2009

Gavin Hellier / Chair lift above Four Valleys region, Valais, Verbier, Bernese Alps, Switzerland January 2009

Gavin Hellier / Chair lift above Four Valleys region, Valais, Verbier, Bernese Alps, Switzerland January 2009