About: http://webisa.webdatacommons.org/137347214

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	In addition, rolls of film were difficult to carry around and time-consuming to change, and film was susceptible to being ruined by unintentional exposure to normal light or other forms of radiation.
http://www.w3.org/ns/prov#wasQuotedFrom	sspnet.org