Zelené priehrady

Zelené priehrady

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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.

Runtime: 1:47:31 minutes

Quality: HD

Released: Dec 31, 1950

IMDb: 10

Keywords: