A documentary showing the First of May celebrations.

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Main Cast:

Director: Maksymilian Wroclawski

Writer:

Editor: Wacław Kaźmierczak

Cinematographers: Sergiusz Sprudin, Bogusław Lambach, Władysław Forbert, Witold Jabłoński, Witold Janik, Waldemar Kowalski, Henryk Makarewicz, Kazimierz Mucha, Andrzej Munk, Feliks Średnicki, Leonard Zajączkowski

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