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992 Bölüm
NOVA - Season 21 Episode 19 19. Bölüm
NOVA travels to Lake Baikal, the world's oldest and deepest lake, containing one-fifth of all the fresh water on Earth. Investigating Baikal from above, below and all around, NOVA charts its dramatically changing environment over the course of four seasons.
- Ülke : United States of America
- Tür : Documentary
- Yönetmen :
- Oyuncular :