US displayed its nuclear power in World War II forcing USSR to build a secret city that stayed off the maps for decades!

Mining and Chemical Combine

Zheleznogorsk is located 60 km north of Krasnoyarsk that is considered Siberia’s one of the largest cities and is situated in the southern part of central Siberia. Clearly,  Zheleznogorsk was constructed as a satellite city pertaining to one of the eminent nuclear weapons production centers in Russia namely Mining and Chemical Combine (MCC).