What secrets do the ice masses of the polar regions hold? Glaciologist Poul Christoffersen, engineer Mary Alber, and iceberg photographer Camille Seaman join Bridget Kendall. Show more
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What secrets do the ice masses of the polar regions hold? Glaciologist Poul Christoffersen, engineer Mary Alber, and iceberg photographer Camille Seaman join Bridget Kendall. Show more