![](https://image.tmdb.org/t/p/w185/iXIy4jnbDUekC4F1rus9Bp4ZexI.jpg)
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14-part special in which botanist Francis Hallé explains forest science and processes. Part of the "Once Upon a Forest" physical release.
Release: Sep 28, 2013
Runtime: 64 minutes
Language: Français
Studio:
Country:
Cast: Francis Hallé