Regelbau 668 bunkers, equipped with a Ringstand position, allowed for close-range defense with both machine guns and traditional mortars. These structures were mainly active, but were also used as passive bunkers for observation purposes.
Sito ufficiale di informazione turistica della provincia di Ferrara
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The bunkers
These reinforced concrete structures were designed as barricades to hinder any advance by the Allies along the Via Romea and in the wetlands of the Delta, exploiting the natural landscape as a strategic element.












