SCOTLAND: The Big Picture / Wind created patterns in layers of packed snow on Meall Dearg with Am Bodach in background, Aonach Eagach, Glencoe, Scotland, UK, February 2017.
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Jouan & Rius / Squiggle marks on bark of Gum tree, Queensland, Australia
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Jeff Foott / Boojum tree (Fouquieria columnaris) in Sonoran Desert. Near Bahia de Los Angeles, Baja California, Mexico.
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Edwin Giesbers / Buzzer midge (Chironomus plumosus) swarm at night, movement trails, long exposure. The Netherlands. July.
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Ernie Janes / Close up of a Common Cockle Shell (Cerastoderma edule).
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Jack Dykinga / Patterns in sandstone representing a petrified view of shifts in the sand dunes, laid down in the Jurassic. Colorado Plateau, Arizona, USA.