Jack Dykinga / Lightning storm with rainbow over Saguaro cactus (Carnegiea gigantea) near Redrock, Arizona State Trust, Sonoran Desert, Arizona. September 2015. Long exposure with lightning trigger.
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Ingo Arndt / View from Margaret Knoll lookout of sunset and rain clouds over the Indian Ocean and the east coast of Christmas Island, Indian Ocean, Australian Territory, December 2009.
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Jack Dykinga / Lightning storm with rainbow over Saguaro cactus (Carnegiea gigantea) Avra Valley, Saguaro National Park, Tucson Mountains, Arizona, USA, August 2015. Long exposure with lightning trigger.
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Sven Zacek / Eilean Donan Castle lit up at twilight with dark clouds. Scotland, UK, September 2013.
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Alan Murphy / Canada Jay (Perisoreus canadensis) in light snowfall, Ontario, Canada
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Tui De Roy / White-vented storm petrel (Oceanites gracilis galapagoensis) 'walking' on surface of water whilst foraging, Galapagos
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Alex Hyde / Storm light over fields near Longnor, Peak DIstrict National Park, Staffordshire, May.
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Jean E. Roche / Stormy seas washing on the shore of Camargue, France, October 2012.
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Chris & Monique Fallows / Storm over Kalk Bay harbor with boat, False Bay, Cape Town, South Africa.
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Andrew Parkinson / Gannet (Morus bassanu) adult in flight against stormy seas. Shetland Islands, Scotland, UK, September.
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Ernie Janes / Boats on Cley Beach with stormy clouds above, UK November 2012
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Jack Dykinga / North Rim at Cape Royal with sunset storm light streaming in rays, backlighting the canyon ridges, Grand Canyon National Park, Arizona, USA