How The Earth Works - Season 1 Episode 2 2. Bölüm
Investigating a giant asteroid that may have been responsible for killing off the dinosaurs. Also: a NASA super gun; an underground river in Mexico.
- Tür: Documentary, Reality
- Stüdyo: Science
- Anahtar kelime: ice age, volcano, earth, geology
- Oyuncular: Martin Pepper, Liz Bonnin
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