Publicat: Aug 11, 1939
Durata de functionare: 10 minute
Gen: Documentar
Stele: Karel Beníško
Crew: Jiří Lehovec (Director), František Šindelář (Sound), Jiří Lehovec (Screenplay), Václav Hanuš (Director of Photography), František Jakubec (Special Effects), Antonín Zelenka (Editor)