Jack Dykinga / Morning light with autumn coloured Cottonwoods (Populus sp) trees lining the river. Valley of the Gods, Colorado Plateau, of the Great Basin Desert, Utah, USA, November 2018.
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Juergen Freund / Scientist Susan Laurance leads the Daintree Drought Experiment in far north Queensland. The experiment combines the efforts of plant physiologists, ecologists, soil experts, climatologists and hydrolo...
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Guy Edwardes / The Pinnacles, Swanage, Dorset, England, UK. May 2014.
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Chien Lee / Limestone pinnacles, Tsingy de Bemaraha National Park, Madagascar
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Jack Dykinga / Devil's Garden 'Hoodoos', Entrada sandstone formations in afternoon light. Grand Staircase-Escalante National Monument. Utah, USA, October 2010.
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Ingo Arndt / View of Badlands National Park, with shadows cast between mountain peaks, and sediment layers visible, South Dakota, USA. September 2009.
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Ingo Arndt / View of Badlands National Park, with shadows cast between mountain peaks, and sediment layers visible, South Dakota, USA. September 2009.
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David Noton / The Pinnacles at night, limestone formations. Nambung National Park, near Cervantes, Western Australia
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Markus Varesvuo / White-tailed Eagle (Haliaeetus albicilla) landing on snowy rock, Norway, November
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Hougaard Malan / Misty morning in the Drakensberg viewed from behind the Organ Pipes. Cathedral Peak Region, Drakensberg, South Africa. November 2012.
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Hougaard Malan / Drakensberg Escarpment, the pinnacles known as the pyramid and the column can be seen protruding from the mist. KwaZulu-Natal, South Africa. November 2012.
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Jouan Rius / Sandstone cliff at sunset, Colorado Plateau, Kodachrome Basin State Park, Utah, USA November 2012