About: http://webisa.webdatacommons.org/147815531

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	I have read that in fact, most of them are natural in origin, with the Sahara and other deserts as the main contributors.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com