Ashley Cooper / Mackerel skies over Ambleside, Cumbria, England, UK. December 2008
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Tony Wu / People examining pectoral fins of a Fin whale (Balaenoptera physalus) the bone structure reflects the animal's link to terrestrial mammals, Tokyo, Japan, November 2013
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Nigel Cattlin / Cornish herring-bone dry stone wall, Tintagel, Cornwall, England, UK, March