About: http://webisa.webdatacommons.org/437533649

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	Graduated density filters work great when you have one bright area, such as a sky, with a clean horizontal line.
http://www.w3.org/ns/prov#wasQuotedFrom	macworld.com