Altai Republic. Initial work on the construction of the Altai (Katun) hydroelectric power station. View of the Katun River. Dump trucks loading. A stone rises from the NDP: "WE WILL SUBMIT YOU, YENISEI!" A dump truck dumps rock into the river. Water cascade. Yuri Ivanovich Toshpokov, director of the hydroelectric power station cascade under construction, tells the legend about the Katun River, talks about an acute shortage of electricity in the West Siberian region; on the need to build a hydroelectric power station and its advantages (sync., behind the scenes). Ecologist Yuri Ivanovich Vinokurov speaks of significant damage to nature in the event of the construction of the Altai hydroelectric power station; about the absence of a clearly developed action plan for the protection of the reserved nature of Altai; on the need to predict the consequences of the operation of hydroelectric power plants (sync., behind the scenes). Prospecting geologist I.V. Boyarkin in his office talks about his work at various hydroelectric power plants; on the advantages of building a hydroelectric power station on the Katun River (sync., behind the scenes).