<http://webisa.webdatacommons.org/prov/203018711>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/18372572> .
<http://webisa.webdatacommons.org/18372572>	<http://www.w3.org/ns/prov#value>	"Desert people have hand-dug these karez for about 2,000 years to bring water from distant mountains to irrigate lush fields of grapes, melons, and other crops." .
<http://webisa.webdatacommons.org/18372572>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<bikechina.com> .
<http://webisa.webdatacommons.org/18372572>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .