Horizon S38E5 - Snowball Earth
7.4/10 by 33 users
The controversial theory that for millions of years the Earth was plunged into catastrophe - entirely smothered in ice up to one kilometre thick.
| Released | Feb 04, 1964 |
|---|---|
| Runtime | 60min |
| Genre | Documentary |
| Actor | N/A |
| Director | N/A |
| Production | N/A |
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