<http://webisa.webdatacommons.org/prov/497841509>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/208881315> .
<http://webisa.webdatacommons.org/208881315>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/208881315>	<http://www.w3.org/ns/prov#value>	"The surrounding hills completely closed it off from the outside world.And at its center was a city." .
<http://webisa.webdatacommons.org/208881315>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<blogspot.com> .