1syuzh. - Celebration of May 1 in Moscow: columns of demonstrators with transports, slogans, banners, mock-ups pass along the street, women in national costumes are dancing, an accordion player is playing. L. Kaganovich, I. Stalin, MF Shkiryatov, GK Ordzhonikidze pass through the territory of the Kremlin. Voroshilov rides a horse from the Kremlin's Spassky Gate, drives around the troops, climbs the podium of the Mausoleum. Foreign attaches at the guest tribune; leaders of the party and government (except for the above, VM Molotov, MI Kalinin and others) greet the participants in the parade. Speech by K. E. Voroshilov. Troops are marching on Red Square: cadets, pilots. detachments of the Workers' Guard. A column of youth, athletes is passing by, cavalry and tanks are passing by. Airplanes are flying over Red Square, passing searchlight parts. 2syuzh. - Celebrating May 1 in Leningrad: on the Uritsky Square on the podium, the leaders of the party and trade union bodies, among them A. Zhdanov. A column of demonstrators, Osoaviakhim fighters, military sailors are passing through the square. 3 plot. - Celebration of May 1 in Kiev: on the government platform: G. I. Petrovsky, I. E. Yakir, S. V. Kossior, T. P. Postyshev and others , wedges, there is a column of children, schoolchildren, a column of workers.