About: http://webisa.webdatacommons.org/411218526

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	As towns grew, polluted water became an increasingly pressing problem and was the cause of many diseases from infantile diarrhoea and typhoid fever and especially cholera.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com