The history
Works started in 1915, and some months later Italy declared war to Germany making urgent to complete the defensive line for a possible military use,
even if fortunately it didn't happen.Barriers was built alongside a behind line with respect to the border one, using mountains over valleys as
further protection.
This made more suitable the fortifications design, allowing the properuse of territory strengths and natural features.
The most important part of the defense lines were foxholes, in which first line soldiers should fight, provided of recovery in case of rain.
Many parts in the tunnels called “reduced” allowed higher safety in case of bombardments, whereas along foxholes there was installment-weapons area used also as observation points, warehouses and so on.
