Iceberg With Meltwater Pool, Jakobshavn Fjord, Greenland, 2007

Icebergs, including one with a sapphire pool of meltwater, clutter Greenland's Jakobshavn Fjord near the village of Ilulissat. The glacier that produced this flotilla has receded some four miles (six kilometers) since the year 2000.

(Photo shot on assignment for, but not published in, "The Big Thaw," June 2007, National Geographic magazine)

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