Third Congress of Peace Supporters in Prague: speeches by delegates from different countries (synchronously); applause in the hall. The meeting dedicated to the 10th anniversary of the victory over Nazi Germany, in the government building in Hratčany. Presidium of the meeting. Mountain landscape. Mountain climbers' camp. Athletes go up the hill. Loading motorcycles into wagons for export. The plane in the sky performs complex figures. Shooting the ground from an airplane. Aircraft on the airfield. Aerodrome: Czech pilot among residents [of one of the Asian countries]. Cyclocross on rural and urban roads. The faces of the racers. Agronomists discuss the readiness of the land for planting corn.