Tim Fitzharris / Autumn leaf on boulder, Little River, Great Smoky Mountains National Park, Tennessee
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Tim Fitzharris / Double rainbow over Boulder Mountains after a storm, Idaho
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John Shaw / Alpine bearberry (Arctous alpina) on tundra in autumn and boulders at Sydkapp (South Cape), with icebergs in Hall Bredning, Scoresby Sund, Greenland, September.
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Sandesh Kadur / Snow leopard (Unica unica) scent marking against boulder in rocky landscape in Himalayas. Ule, Ladakh, India. March 2018. Sequence 2/2.
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Sandesh Kadur / Snow leopard (Unica unica) standing beside boulder in rocky landscape of Himalayas, prior to scent marking. Ule, Ladakh, India. March 2018. Sequence 1/2.
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SCOTLAND: The Big Picture / Ptarmigan (Lagopus muta) male standing in front of its boulder field habitat in the Cairngorms National Park, Scotland, UK, March.
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Jeff Foott / Tenya Lake, Tuolumne Meadows, Yosemite National Park, California
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Will Watson / Intraformational conglomerate boulder, Old Red Sandstone Succession, Devonian Period, Llyn y Fan Fawr; glacial lake, Black Mountain, Brecon Beacons National Park, Breconshire, Wales, August 2018.
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Tim Fitzharris / Boulders and mountain, Rocky Mountain National Park, Colorado
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Ashley Cooper / Castlerigg stone circle, near Keswick Lake District, England, UK. May.
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Ashley Cooper / Little auks (Alle alle) at a nesting colony at Sallyhamna, Spitsbergen, Svalbard, Norway. July.
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Ashley Cooper / Little auks (Alle alle) at a nesting colony at Sallyhamna, Spitsbergen, Svalbard, Norway. July.