About: http://webisa.webdatacommons.org/278046560

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	Here the background was a sheet of neutral gray poster board (top) and slate (bottom).
http://www.w3.org/ns/prov#wasQuotedFrom	shortcourses.com