The Sea of Glass

Documentary

21 분English

Once thought extinct, glass sponge reefs are rediscovered in the 1980s deep off Canada's West Coast. Scientists and researchers need specialised deep-sea technology to study these ancient and fragile ecosystems.

자막:

English (CC)

국가:

Canada

연출:

Len Morissette

출연:

Tantoo Cardinal

등급:

Adult Themes

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