Such was the fate of the many defensive lines built before and during World War II, such as the Siegfried Line, the Stalin Line and the Atlantic Wall.
Takvu su sudbinu doživjele mnoge obrambene linije sagrađene prije i tijekom Drugog svjetskog rata, poput Maginotove linije, Siegfriedove linije, Staljinove linije i Atlantskog bedema.