The city of Leningrad. Classes of the meteorological club at the Palace of Pioneers. Saratov city. Classes in the circle of young cavalrymen. The city of Kuibyshev. The Sisters of the Immortals take care of poultry and domestic animals. Sisters read an invitation letter to the All-Union Agricultural Exhibition. City Dnepropetrovsk. Dnepr River. Pioneer camp. Pioneers, members of the geological circle on the hike.