The opening of this metro line was in 1976, based on old russian constructions, and since there wasn’t any restoration. It’s operation was a total chaos, the old, rusty trains lit up on weekly basis, there were evacuations, closures. Finally the government decided to modernize it, to meet 21th century needs. The restoration of old M3 metro line started on the 4th of November 2017, and will last for 3 years, at least …
