Orsolya Haarberg / Alpine ibex (Capra ibex) in alpine landscape with light mist, Gran Paradiso National Park, Italy, October

David Noton / View from the summit of Cadair Idris, Snowdonia NP, Wales. Clouds and moutains.

Bryan and Cherry Alexander / Tundra and moutains of the Chukotski Range in autumn colour. Iultinsky District, Chukotka, Siberia, Russia, August 2013.

Mark Carwardine / Fiordland National Park, South Island, New Zealand, January 2009

Andy Trowbridge / Lake Rotoiti and jetty in moody evening light, rain clouds sweeping over the surrounding moutains. Looking south, towards the Travers River Valley, Nelson Lakes National Park, Saint Arnaud, Tasman Reg...

Eric Baccega / Pack ice, with the moutains and glacier of Brume Point in the background, Ellesmere Island, Nunavut, Canada, June 2012.

Bryan and Cherry Alexander / Reindeer (Rangifer tarandus) around tents at summer pastures in the Polar Ural Moutains. Yamal, Western Siberia, Russia, Summer 2007.

Bryan and Cherry Alexander / Reindeer (Rangifer tarandus) grazing at summer pastures in the Polar Ural Moutains. Yamal, Western Siberia, Russia, Summer 2007.

Bryan and Cherry Alexander / Khanty reindeer herders' camp at summer pastures in the Polar Ural Moutains. Yamal, Western Siberia, Russia, Summer 2007.

Nick Upton / Adiabatic clouds forming on the windward side of the 1900m high Bohinj Ridge Moutains in the Julian Alps, as rising air cools, with grasses and Dwarf pines (Pinus mugo) growing between areas of expose...

Claudio Contreras / La Visite National Park, Massif de la Selle, Haiti, October 2010

Wild Wonders of Europe / Radisics / Moutains surrounded by low lying clouds, viewed from Pico do Arieiro, at dusk, Madeira, March 2009