Ulan Bator city. Streets of the city, historical monuments. Coal mining in the Baganur deposit. Cars, trains with coal are going. Adjuster for the equipment in the machine room of the Ulan Bator thermal power plant. House-building factory workers are building houses. Construction school students in the classroom: lay a brick, perform the work of a plasterer. The life of nomad pastoralists. Work in one of the agricultural enterprises: harvesting bread, potatoes. Loading grain into an elevator. Bakery products. Demonstration of fur products. A man tunes equipment in a television studio. Erdene city. Production processes at a copper-molybdenum combine, a knitting factory. View of the city's new buildings.