About: http://webisa.webdatacommons.org/89585092

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	Karst landscapes are those formed in soluble rock such as limestone where caves, sinkholes and underground rivers are common, and are estimated to provide some one-fourth of the world???s population with water resources.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com