fortresses
type: Concept
preferred label: fästningar @sv
preferred label: linnoitukset @fi
related: bunkers

bunkers
type: Concept
broader generic: structures
broader: structures
in scheme: conceptscheme
preferred label: bunkkerit @fi
preferred label: bunkrar @sv
related: fortresses

structures
type: Concept
narrower: bunkers
preferred label: konstruktioner (byggnader) @sv
preferred label: rakennelmat @fi