Jim Brandenburg / Ice crystals, Lake Superior, Michigan
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Ingo Arndt / Ice crystal on window, Germany
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Chadden Hunter / Delicate ice crystal formations inside volcanic ice cave, Mount Erebus, Antarctica. Taken on location for BBC Frozen Planet series, 2009
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Chadden Hunter / BBC producer Chadden Hunter looking at the incredible ice crystal formations inside volcanic ice caves below Mount Erebus, Antarctica. Taken on location for BBC Frozen Planet series, 2009
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Chadden Hunter / Delicate ice crystal formations inside volcanic ice cave, Mount Erebus, Antarctica. Taken on location for BBC Frozen Planet series, 2009
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Bryan and Cherry Alexander / Crystal heart of an iceberg, Greenland, 1980. 40 BELOW bookplate.
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Edwin Giesbers / Sunlight through ice crystal formations on waterside plants in winter, the Netherlands
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Sue Flood / Leopard seal (Hydrurga leptonyx) female with young pup on sea ice, Crystal Sound, Antarctica, November
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Kevin Schafer / Sun halo, caused by ice crystals in high clouds, Iceland
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Grant Dixon / Ice and frost patterns on window
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Nature Production / Snow crystal (photomicroscopy x 40)
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Nature Production / Snow crystal (photomicroscopy x 40)
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Nature Production / Snow crystal (photomicroscopy x 20)
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Nature Production / Snow crystal (photomicroscopy x 20)
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Nature Production / Snow crystal (photomicroscopy x 15)
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Nature Production / Snow crystal (photomicroscopy x 25)
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Nature Production / Snow crystal (photomicroscopy x 25)
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Nature Production / Snow crystal (photomicroscopy x 20)
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Nature Production / Hail crystal (photomicroscopy x 40)
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Nature Production / Snow crystal (photomicroscopy x 40)
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Nature Production / Snow crystal (photomicroscopy x 25)
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Nature Production / Snow crystal (photomicroscopy x 20)
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Jim Brandenburg / Marguerite (Leucanthemum vulgare) pair covered with frost, Minnesota
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Konrad Wothe / Close-up of a snowflake showing delicate crystals, Germany
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Konrad Wothe / Ice crystals on frozen pond, Bavaria, Germany
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Colin Monteath / Khongor Sand Dunes and frozen river with frost crystals on grass, Gobi Desert, Mongolia
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Steve Gettle / Snowflakes seen through microscope
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Steve Gettle / Snowflakes seen through microscope
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Steve Gettle / Snowflakes seen through microscope
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Steve Gettle / Snowflake seen through microscope
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Kim Taylor / Snow crystal on frosted moss
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Nature Production / Snow crystal, micrograph x 40, Japan
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Jim Brandenburg / Lake Superior ice crystals, Michigan
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Jim Brandenburg / Backlit ice crystals, Lake Superior, Michigan
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Michael Quinton / Ice crystals on frozen creek, Wrangell-St Elias National Park, Alaska
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Michael Quinton / Ice crystals on frozen creek, Wrangell-St Elias National Park, Alaska
