description About
This episode of Horizon examines 20 years of research which has led to a new theory on how the earth's crust was made.
Info
- verified Status: Returning Series
- person By: Unknown
- calendar_month Release Date: 1991-02-25
- video_camera_front Companies
- tag Season: Season 28
- timer Episode Runtime: 60 Mins
- star Rating: 0 / 10
- visibilityViews: 2 views
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