Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6831
Is Reference of Bygværk-da#Sense
Kunstwerk-nl#Sense
Obras de tierra-es#Sense
Ground structure-en#Sense
Erdbauwerk-de#Sense
Ouvrage terrestre-fr#Sense
Opera in terra-it#Sense