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Beneath the quiet waters of Hecate Strait, ancient glass sponges weave delicate silica skeletons into a living reef. Drift through this rare deep-sea ecosystem and discover how these remarkable creatures create shelter for fish, crustaceans, and other marine life.Gentle narration and tranquil underwater imagery reveal a hidden landscape shaped slowly over thousands of years. Settle in for a peaceful nature documentary for sleep, relaxation, or quiet wonder at one of the ocean’s most extraordinary living habitats.
