About: http://webisa.webdatacommons.org/309204087

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The cill, also spelled sill, is a narrow horizontal ledge protruding a short way into the chamber from below the upper gates.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org