Title: A testimony to earth's grandeur
Review: This was the best filming of this subject that I have seen. It was fascinating and educational: I didn't know what fierce hunters Killer Whales are. The filming of two of their brutal hunts is graphically honest. The unimaginable beauty of the biofluorescence of certain deep water life is hypnotic to watch. The biology of teeming life in the boiling temperatures near the hydrothermal ocean vents is amazing. There is even a brine LAKE on the ocean floor!This four-part series would be a wonderful addition to everyone's nature DVD collection as it would be suitable for chldren and adults alike. What a lovely gift this would be.
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