Brent Stephenson / Columnar basalt formations at the 180 metre high Edinburgh Hill. Zodiac full of cruise ship tourists for scale. South Shetland Islands, Antarctica, December.
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Brent Stephenson / Columnar basalt formations at the 180 metre high Edinburgh Hill. South Shetland Islands, Antarctica, December.
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Phil Savoie / Plants including gorse growing on igenous rock outcrop. Stanner Rocks National Nature Reserve, Powys, Wales, UK, September.