Nick Garbutt / Sun beam at sun rise over the Grand Canyon of the Yellowstone, Yelllowstone National Park, Wyoming, USA. January 2016.
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Floris van Breugel / Flawless crystalline ice, produced through millennia of glacial pressure, floating on Lago Grey, Torres del Paine National Park, Chile, June 2014.
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Olga Kamenskaya / Ice formations in snow on Lake Baikal, Siberia, Russia, March 2007.
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Hougaard Malan / Pristine white beach with table mountain beyond under a clear blue sky. Bloubergstrand, Cape Town, South Africa. November 2011.
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Hougaard Malan / Pristine white beach with table mountain beyond under a clear blue sky. Bloubergstrand, Cape Town, South Africa. November 2011.
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Kirkendall-Spring / Hills in the Lamar Valley, in snow, Yellowstone National Park, Wyoming, USA, February 2013.
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Jouan Rius / Antelope Canyon, a slot canyon with eroded sandstone patterns, Navajo Tribal Park, Arizona, USA, December 2012.
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Jouan Rius / Gypsum sand dune at sunset, White Sands National Park, Chihuahuan Desert, New Mexico, USA, December 2012.
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Willem Kolvoort / View of Byoutier. a very small island in the Seychelles with a pristine beach. Byoutier, Seychelles March 2005
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Jouan Rius / Sandstone monoliths, Colorado Plateau, Kodachrome Basin State Park, Utah, USA November 2012
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Tim Laman / Logging road and forest destruction in pristine area of Waigeo Island, West Papua, New Guinea
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Juergen Freund / Aerial view of coral cays and white sand bars surrounding Bugsuk Island, Farm 1 of Jewelmer pearl farm. This private island has been highly protected since the 1970's and is in pristine environmental...