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Construction of a heat pipeline for the geoenergetic station of the Institute of Thermal Physics of the USSR Academy of Sciences
USSR. Kamchatka Region. July 6, 1968. Laying a heating pipeline to the greenhouses of the experimental geoenergetic station of the Institute of Thermal Physics of the Siberian Branch of the USSR Academy of Sciences. The exact location of the photo has not been established. Sergei Preobrazhensky/TASS