About: http://webisa.webdatacommons.org/431770395

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	Any ambient light such as from the windows or overhead light is largely attenuated by the light conducting tubes previously described.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com