Irkutsk region. Landscapes of the Angara River. Winter landscape. Temporary high-voltage transmission line in Padun village. Unloading the steel structures of the high-voltage line support masts at the Bratsk station. Transportation of structures to the place of installation. Assembly, lifting of supports at the picket. Chief engineer MM Kastanovich, engineer Ya. M. Garfinkel and others are examining the drawings in the office.