A reenactment of the December armed uprising in Moscow in 1905. A rally at the Lyubertsy cemetery, where the victims of the 1905 uprising are buried. Donbass. New mine named after OGPU in Shakhty district, equipment installation, building of buildings. Leningrad. Month of educational program at the Triangle plant: illiterate workers in the classroom. Old and new buildings of the North Ossetian capital Tskhinvali, a clinic, a school, a House of Culture, a workers' town, bridges over mountain rivers.