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Bulgaria, the longest railway tunnelon the Balkan peninsula nearly completed – OBCT
June 16, 2026
Bulgaria, the longest railway tunnelon the Balkan peninsula nearly completed – OBCT
The project was started 40 years ago, but an accident halted work; it is now being completed with funding from the Cohesion Funds
Read more
The project was started 40 years ago, but an accident halted work; it is now being completed with funding from the Cohesion Funds
Read more