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Watch Horizon Season 12 Episode 17 : The Cleanest Place in the World Full Series Streaming
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| Title | : | Horizon |
|---|---|---|
| Genre | : | Documentary |
| Air Date | : | 1975-06-23 |
| Season Number | : | 12 |
| Episodes Number | : | 17 |
| Overview | : | This report by Horizon brings you scientists that are using Antarctica as a giant natural lab to study who has polluted Earth most; man or nature. |
| Stars | : |