Democratic People's Republic of Korea. Pyongyang city. View of the destroyed steam locomotive repair plant in Pyongyang. A group of Polish design engineers discussing the project for the restoration of the plant together with Korean engineers and workers: the chief construction dispatcher, design engineer Lis Tadeusz, Anatoly Blezik - the head of the design group and others. Polish and Korean engineers at a construction site. Construction of a residential settlement of the plant. Concrete mixer operation. Open pit mines. The work of the Czechoslovak excavators. Construction of an irrigation system in South Pyongyang province along the Chhen Chong Bon river. Construction of the headworks for the irrigation system, installation of pumps and equipment sent from the Soviet Union. Built bridge on the canal.