52 ฤดูกาล
994 ตอน
NOVA - Season 39 Episode 13
In a race against developers in the Rocky Mountains, archeologists uncover a unique fossil site packed with astonishingly well-preserved bones of mammoths, mastodons, and other giant extinct beasts. The discovery opens a highly focused window on the vanished world of the Ice Age in North America.
- ประเทศ : United States of America
- ประเภท : Documentary
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