Inside an ICE CAVE! – Nature’s Most Beautiful Blue

Where do glaciers and icebergs get their beautiful blue color? This unique blue might be nature’s most brilliant, and the color arises in a very special way thanks to some surprising interactions between light and water molecules. Who knew physics could be so breathtaking?

Special thanks to : Josh Cassidy from KQED’s Deep Look ►…

Above & Beyond Alaska wilderness tours:

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