Boden Fortress
Boden Fortress is a modern fortress consisting of several major and minor forts and fortifications surrounding the city of Boden , Norrbotten , in northern Sweden . 
<triplet> Boden Fortress <subj> fortress <obj> use <subj> Boden <obj> location <subj> Sweden <obj> country <triplet> Boden <subj> Sweden <obj> country <triplet> Norrbotten <subj> Sweden <obj> country <triplet> Sweden <subj> Norrbotten <obj> has part