The Sea of Glass

Documentary

21 分钟English

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.

字幕:

English (CC)

国家:

Canada

导演:

Len Morissette

演员:

Tantoo Cardinal

消费者建议:

Adult Themes

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