Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Derrigos-es#Sense
Coluvionamiento-es#Sense
Écroulement-fr#Sense
Rockfall-en#Sense
Steinschlag-de#Sense
Caduta di sassi-it#Sense
Chute de pierres-fr#Sense
Crollo-it#Sense
Caida de piedras-es#Sense