Botanist Francis Hallé Explains... (2013)
Botanist Francis Hallé Explains... (2013) - Documentary Movies 64 minutes. Botaniker Francis Hallé erklärt.... 14-part special in which botanist Francis Hallé explains forest science and processes. Part of the "Once Upon a Forest" physical release. climate, botanist, forest, animals, educational, nature, tropical, soil science, photosynthesis, plants, trees