成人快手 Radio 4 - Costing the Earth, Sounds of the Seas, Sounds of the Seas

Costing the Earth Sounds of the Seas Sounds of the Seas

For cetaceans, sound is vital for communication

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Tom Heap with Denise Risch and Ben Wilson listening to the ocean traffic at Oban Harbour

Costing the Earth—Sounds of the Seas

How noisy is the underwater environment? Tom Heap dips beneath the surface to find out.

成人快手 Radio 4