About: http://webisa.webdatacommons.org/237345247

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	Sanitation was poor to non-existent and cities, especially London, were death traps because of their propensity to spread diseases.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com