About: http://webisa.webdatacommons.org/173193744

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	At their core, all of our visual perceptions are built upon the contrasts between light and shadow so that what we???re seeing is an object wholly created by light.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com