Tim Fitzharris / Rock arch, Atuh Beach, Nusa Penida, Bali, Indonesia
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Colin Monteath / Coastal cliffs, Tunnel Beach, Otago Peninsula, Otago, New Zealand
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Jean E. Roche / Salt pans with high salt concentration. Salin de Giraud, Camargue, France, June 2013.
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David Welling / Lightning from a summer monsoon thunderstorm flashes over natural rock bridge, Bryce Canyon NP, Utah, USA, August 2010. NOT AVAILABLE FOR CARDS OR CALENDARS.
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Graham Eaton / The Green Bridge of Wales, a natural rock arch comprising Carboniferous limestone, Castlemartin, Pembrokeshire, Wales. September 2017.
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Graham Eaton / The Green Bridge of Wales, a natural rock arch comprising Carboniferous limestone, Castlemartin, Pembrokeshire, Wales. September 2017.
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Tim Fitzharris / Rock arch, Atuh Beach, Nusa Penida, Bali, Indonesia
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Tim Fitzharris / Rock arch, Atuh Beach, Nusa Penida, Bali, Indonesia
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Tim Fitzharris / Rock arch, Atuh Beach, Nusa Penida, Bali, Indonesia
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Tim Fitzharris / Rock arch, Atuh Beach, Nusa Penida, Bali, Indonesia
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Guy Edwardes / The Green Bridge sea arch of Wales, Castlemartin, Pembrokeshire, Wales, UK, September 2009.
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Felis Images / Aurora Borealis over Dorothy Bridge, Alberta, Canada, May 2016.