Demonstration of workers in the capital of the Polish People's Republic of Warsaw. On the rostrum: Chairman of the Council of Ministers of the People's Republic of Poland Yu. Cyrankiewicz, Chairman of the Central Committee of the Polish United Workers' Party B. Bierut, Marshal of Poland K.K. Rokossovsky, members of the Politburo of the PUWP Central Committee, members of the government, scientists and cultural figures, foreign guests.