The Sea of Glass

Documentary

21mEnglish

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.

Subtitles:

English (CC)

Country:

Canada

Director:

Len Morissette

Cast:

Tantoo Cardinal

Advice:

Adult Themes

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