One of the first Soviet-Cuban agreements was a document on rendering assistance to the republic in the development of the nickel industry. Many Soviet specialists worked in Cuba, including Norilsk metallurgists.
In July 1975, immediately after the celebration of the 40th anniversary of the combine, the minister of mining and geology of Cuba, Manuel Fernandez Cespedes, flew to Norilsk on an official visit.

By this time, the third Talnakh mine, Oktyabrsky, had been commissioned in the Norilsk industrial region; Mayak had reached the goal capacity and Komsomolsky was producing ore. The Cuban delegation was met by the first persons of the city and the combine, headed by Boris Kolesnikov.
Text: Varvara Sosnovskaya, Photo: Nornickel Polar branch archive