Botanist Francis Hallé Explains...
- Tausaga: 2013
- Atunuʻu:
- Ituaiga: Documentary
- Potu potu:
- Upu autu: climate, botanist, forest, animals, educational, nature, tropical, soil science, photosynthesis, plants, trees
- Faʻatonu: Luc Jacquet
- Faʻafiafia: Francis Hallé
