General view of the city of Yakutsk. Beketov's tower, built by the Yenisei Cossack Beketov at the founding of the city. The building of the Yakutsk research permafrost station. The station manager P. I. Melnikov talks with the researchers G. O. Lukin, I. N. Votyakov. Scientists work in the underground laboratory at the control panel for measuring temperatures at different depths. Construction of a three-story stone house. Cinema building.