1) Cadets of the Dzerzhinsky Naval Engineering School are marching in Leningrad. 2) Kramatorsk Heavy Machine Building Plant: workers behind the turning of the shaft. 3) The flight of the balloon and the airship. Aerostat landing. A meeting of collective farmers at the balloon. 4) Testing a flying boat on the Moscow-Volga canal. 5) 5th traditional gathering of tourists and climbers at the Vorovskiy Kurgan. 6) Beaver on the shore of a pond (lake), swimming on the lake. 7) Horse racing. The rider on the horse overcomes the barrier.