Juan Carlos Munoz / Aerial image showing light reflected off the deep blue of the sea around the Bahamas archipelago, Caribbean, February 2012

Merryn Thomas / Silhouetted people walking along Three Cliffs Bay, Gower Peninsula, South Glamorgan, Wales, January 2012. No release available.

Ernie Janes / Silhouette of people digging on The Wash at lowtide, Norfolk, UK, August 2008

Ben Hall / 2020VISION / Sun's rays shining through dark clouds, Ballynahone Bog, County Antrim, Northern Ireland, UK, June 2011

Erlend Haarberg / Sunlit ridges against volcanic scree beneath a low cloud. Eyjafjallajokull, Iceland, April 2010. Highly commended in Wildlife Photographer of the Year 2011 competition, Wild Places category.

Diane McAllister / The snow at Horsetail Falls' begins to melt in mid-February, enabling the falls to resume once again. The clear sky and low sun angle ignite the rock wall during sundown. Yosemite National Park, Calif...

Inaki Relanzon / Dramatic light on Benijo Beach. Anaga Peninsula, Tenerife, Canary Islands, February 2011.

Steven Kazlowski / Inupiaq / Inuit man hold his hand under the midnight sun in the Chukchi Sea, off shore from the arctic village of Barrow, Alaska, USA. April 2009

Jack Dykinga / Rio Grande passing through the towering cliffs of the Mariscal Canyon, Texas, USA

Jack Dykinga / Rainbow at sunset over desert hillside with Saguaro cacti, Table Mountain in the distance, Pusch Ridge Wilderness, Coronado National Forest, Santa Catalina Mountains, Arizona, USA

Jack Dykinga / Ray of light falling on a lone Acacia tree in the Masai Mara, Kenya

David Noton / The Old Man of Storr in dramatic light, Trotternish Isle of Skye, Scotland

Andrew Parkinson / 2020VISION / Moorhen Gallinula chloropus An adult is backlit on a frozen lake in evening light Derbyshire, UK

Ross Hoddinott / View of Welcombe Mouth with late evening light at high tide, North Devon, UK, March 2012.

Rick Tomlinson / Dramatic light hits the coast to the east of Port Stanley, Falkland Islands, January 2007

Peter Cairns / Dramatic light over sea at dusk, Hermaness NNR, Shetland Islands, Scotland, UK, June 2010

Peter Cairns / 2020VISION / Stormy light over Traigh Losgaintir, North Harris, Western Isles / Outer Hebrides, Scotland, UK, May 2011

Peter Cairns / 2020VISION / Stormy light over Traigh Losgaintir, North Harris, Western Isles / Outer Hebrides, Scotland, UK, May 2011

Ben Hall / 2020VISION / Sun's rays shining through dark clouds, Ballynahone Bog, County Antrim, Northern Ireland, UK, June 2011

Ben Hall / 2020VISION / Sun's rays shining through dark clouds, Ballynahone Bog, County Antrim, Northern Ireland, UK, June 2011

Bryan and Cherry Alexander / Snowy slope illuminated by shaft of light in the Ush Urekchen mountains. Chukotka, Siberia, Russia, 1994. 40 BELOW bookplate.

Inaki Relanzon / Dramatic light on Benijo Beach. Anaga Peninsula, Tenerife, Canary Islands, , February 2011.

Peter Cairns / 2020VISION / Dramatic light over sea at dusk, Hermaness NNR, Unst, Shetland Islands, Scotland, UK, June 2010.

Peter Cairns / 2020VISION / Silhouette of photographer Mark Hamblin against dramatic light over sea at dusk, Hermaness NNR, Unst, Shetland Islands, Scotland, UK, June 2010. Model released.

Peter Cairns / 2020VISION / Dramatic light over sea at dusk, Hermaness NNR, Shetland Isles, Scotland, UK, June 2010

Peter Cairns / Dramatic light over sea at dusk. Hermaness NNR, Shetland, Scotland, June.

Bruno D'Amicis / Last light and clouds on Mount Shani and other peaks at the border between Georgia and Ingushetia. Greater Caucasus, Georgia, September 2010.

Andrew Parkinson / Shafts of evening light over coastline, viewed from the Shetland Islands, Scotland, UK, August 2007 (non-ex)

Floris van Breugel / Wind stripped trees in dawn light, Rocky Mountain National Park, Colorado, USA, August 2009

Jack Dykinga / Tatio Geysers in early morning light, with steam rising from scalding hot water, coloured from mineral deposits. Atacama, Chile. April 2009

Jack Dykinga / Sunset light over the Atacama Desert with the Andean Mountain Range on the horizon with 6000 meter high volcanos. Near San Pedro de Atacama, Chile, April 2009

Eric Baccega / White-chinned petrel (Procellaria acquinoctialis) flying in a ray of light, Ile de l'Est, Crozet Archipelago, Sub-antarctic, Territory of the French Southern and Antarctic Lands, December 1999

Nick Garbutt / Wandering Albatross (Diomedea exulans) flying over the rugged coast near Stromness, South Georgia, South Atlantic. (digitally stitched image) February.

Nick Garbutt / Light-mantled Sooty Albatross (Phoebetria palpebrata) flying over Fortuna Glacier with rainbow, Fortuna Bay, South Georgia. January 2010. (digitally stitched image)

Aflo / N-22103 Monument Valley, Utah, USA.

John Waters / Looking north from summit ridge of Quantocks range of hills, towards Somerset Levels with rain shower and rainbow, Somerset, UK

Stephen Dalton / Complete double rainbow over the Sussex Weald, UK

Andy Rouse / Rainbow and iceberg off coast of South Georgia (non-ex)

Colin Monteath / Wind-blown snow on Manaslu (8,156 meters) at dawn, Mansiri Himal region of the Nepalese Himalayas, Nepal

Yva Momatiuk & John Eastcott / Cuernos del Paine peaks in dramatic morning light covered with cumulus clouds, Torres del Paine National Park, Patagonia, Chile

Jack Dykinga / Looking west from Navajo Point at sunset, with Wooton's Throne, Angel's Gate, Isis, Shiva and Zoroaster Temples silhouetted against the light. Grand Canyon National Park, Arizona

Suzi Eszterhas / Blue Wildebeest (Connochaetes taurinus) in woodland at sunset, Ngorongoro Conservation Area, Tanzania

Pete Oxford / Dramatic evening light on Mamiraua tourist lodge in flooded forest, Amazonia, Brazil

Pete Cairns / Late evening light over Norwegian fjord, Lausvnes, Nord-Trondelag, Norway, Europe

Jane Burton / Domestic dog, Ghostly alsation barking (digitally enhanced). UK

Richard Du Toit / Common zebra herd at water with dark rain clouds above {Equus quagga} Okavango, Botswana

Onne van der Wal / Silvery sea under dark, stormy sky.

Aflo / Y-6602 Sun rays and clouds over North Alps, Tsurugidake, Japan.

Mitsuaki Iwago / Humpback Whale (Megaptera novaeangliae) breaching, Hawaii