Martin Gabriel / Parasol mushroom cap close-up detail {Macrolepiota procera} Europe
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Juergen Freund / Aerial of Goyder Lagoon, part of the Strzelecki Desert, South Australia, July 2011
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Juergen Freund / Aerial of Tirari Desert claypans or dry lakes. Tirari Desert is the smallest desert in the outback. South Australia, June 2011
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Bryan and Cherry Alexander / Sculptural shapes of an iceberg, made while the ice was submerged, now visible after a shift of position. East Greenland, September 2005.
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Bernard Castelein / Underside of clump of toadstools showing gills and ring on stipe / stem