About: http://webisa.webdatacommons.org/285625749

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 is a link to a crop of one of the objects and here is a link where you can see three of them within the same picture While I would love to believe they are visiting aliens I am sure there is a rather more tangible explanation.
http://www.w3.org/ns/prov#wasQuotedFrom	metafilter.com