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The first professional animated film by Petr Sís, who later became the great children's author-illustrator Peter Sís after emigrating to America. Based on an odd satiric story by Miloš Macourek; purportedly banned in Czechoslovakia upon its release.
- Genre: Animation
- Pays: Czechoslovakia
- Directeur: Petr Sís
- Acteurs: Rudolf Hrušínský,