About: http://webisa.webdatacommons.org/240298324

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	I am possibly not remembering the materials, number, or arrangement exactly, but I am almost sure the components are squares, and one of them is a mirror.
http://www.w3.org/ns/prov#wasQuotedFrom	metafilter.com