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| Title | : | Horizon |
|---|---|---|
| Genre | : | Documentary |
| Overview | : | Europe's heritage of pictures, statues, and buildings is being destroyed at a frightening rate by atmospheric pollution, but an American scientist has just invented a method of preserving limestone. In 1908, a vast explosion shook the Tungus district of Siberia: was it due to the biggest meteorite ever to hit the earth, or something odder? |
| How to watch? | : | Select a server above. If one doesn't work, try another. The video should load quickly! |
