Træerne og fotosyntesens vigtighed forklares på et undervisningsniveau.
| Original title | Gift of the Green |
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| Danish title | Det grønnes gave |
| Leikstjórn | David Flaherty |
| Screenplay | David Flaherty |
| Director of Photography | Helen van Dongen |
| Editor | Helen van Dongen |
| Land | USA |
| Domestic distribution | Statens Filmcentral |
| Technical info | 16 mm, Farve, Tone |
| Kommentar | Produceret for New Yorks Botaniske Have. |
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| Domestic distribution | Statens Filmcentral |
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Instruktion |
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| Instruktion | David Flaherty |
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Manus |
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| Manus | David Flaherty |
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Produktion |
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| Produktion | Robert Flaherty |
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Foto |
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| Foto | Helen van Dongen |
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Klip |
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| Klip | Helen van Dongen |
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