Construction of Kursk NPP

USSR. Kursk region. Participants in the All-Union Socialist Competition, fitters Mikhail Polyakov, Ivan Voronin and Vladimir Kolesov (from left to right), who were obliged to complete the plan for the fourth year of the five-year plan ahead of schedule by December 22, 1974, during the preparation of welded seams of the biological protection structure of the reactor at the Kursk Nuclear Power Plant under construction. Oleg Sizov/TASS