Arrival of party and government leaders to Red Square; among them: I. Stalin, L. Kaganovich, V. Molotov, K. Voroshilov, M. Kalinin and others. The exit of the buglers. Columns of athletes are on the square. Stratospheric balloon over Red Square. Cyclists travel. 2000 athletes perform collective gymnastic exercises. Party and government leaders welcomed the participants in the sports parade.