About: http://webisa.webdatacommons.org/131721992

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	These spots are generally more obvious when you are looking at something very bright such as the blue sky or even just a sheet of white paper.
http://www.w3.org/ns/prov#wasQuotedFrom	naturalclearsight.com