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