About: http://webisa.webdatacommons.org/146690109

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	optical illusion simply is tricking eyes and its so easy because most of time we are not 100 focusing we take a time to figure it beside some picture have more than one perspective here is some ideas for simple optical illusions:
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com