Genre: Documentary
Stars: Jiří Grygar, Jana Plichtová
Crew:
Country: CZ
Studio: Československá televize, Česká televize
Runtime: 20:14 minutes
Quality: HD
First air date: Oct 21, 1981
Last air date: Sep 09, 1998
Episode: 32 Episode
Season: 6 Season
IMDb: 10
Keywords:educational
