Popular science film about the importance of light for plant life.
Czechoslovakia
Documentary
0 minutes
1950
Jan Calábek
Studio populárně vědeckých a naučných filmů Brno
1958
0.0
2019
8.5
2020
7.2
1938
6.0
2020
0.0
2020
0.0
2020
0.0
2020
0.0
2020
0.0
2020
0.0
2020
0.0
1971
5.0
2020
6.9
2019
10.0
2014
0.0
1975
0.0
2018
0.0
2020
0.0
2003
0.0