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Zelené priehrady
A document on the importance of forests to the national economy. It represents forests not only as a rich storehouse of wood, but also as an important factor for continuous water supply, as they regulate the water cycle and prevent both droughts and floods.
- Género: Documental
- País: Czechoslovakia
- Director: Karol Skřipský
- Actores: Ladislav Chudík,