<http://webisa.webdatacommons.org/prov/396070690>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/336552287> .
<http://webisa.webdatacommons.org/336552287>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<polandpoland.com> .
<http://webisa.webdatacommons.org/336552287>	<http://www.w3.org/ns/prov#value>	"A system of huge, mostly underground, tunnels" .
<http://webisa.webdatacommons.org/336552287>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .