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The blue ice of this iceberg is a result of the tremendous pressure imparted to the ice while it was still part of a massive glacier. Note the three states of water: liquid (ocean), solid (iceberg), and gas (cloud).
Don Grall/Visuals Unlimited, Inc.
all images © Visuals Unlimited
Visuals Unlimited, Inc. specializes in, microscopy, healthcare, medical, wildlife, underwater, agriculture, and science stock photography.