Grande Dixence Dam
The Grande Dixence Dam is a concrete gravity dam on the Dixence at the head of the Val d'Hérémence in the canton of Valais in Switzerland . 
<triplet> Grande Dixence Dam <subj> gravity dam <obj> instance of <subj> Switzerland <obj> country <triplet> Valais <subj> Switzerland <obj> country <triplet> Switzerland <subj> Valais <obj> contains administrative territorial entity