Construction of the Baikal-Amur Mainline. Transportation of building materials by trucks to the construction site. The team of A. Bondar's track-layers is working. Accident in the tunnel. Mine surveyor A. Tarasov, injured in an accident in a tunnel, who returned to construction after recovering. L. Kazakov's team is laying a 100-meter water pipe in the swamp. BI Dolgikh presents awards to the builders of the BAM. BAM builders: K. V. Mokhortov, A. Bondar, S. Aksenov, V. Lakomov, who received the title of Hero of Socialist Labor. A rally in Tynda in connection with the opening of the working movement of trains along the entire length of the highway.