Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Culvert-en#Sense
Omløbskanal-da#Sense
Umlaufkanal-de#Sense
Acueducto-es#Sense
Υδραγωγείο-el#Sense
Aquaeductus-la#Sense
Aqueduc-fr#Sense
Aqueduct-en#Sense
Riool-nl#Sense
Condotto per l'acqua-it#Sense