Moscow. Elective meeting of housewives during the re-election of the Soviets, demonstration of bus drivers in support of the elections; a theatrical procession of the society of political prisoners in honor of the 10th anniversary of the February revolution. Leningrad. Production of a batch of caterpillar tractors at the Bolshevik plant. A new telescope at the Pulkovo Observatory in Simeiz, staff at work. A fire in an oil pipeline in Grozny and extinguishing it by firefighters. Moscow. Biological station of young naturalists, the inhabitants of the station, children are engaged with animals, birds and plants. Meeting of students-cyclists - participants of a round-the-world bike trip.