About: http://webisa.webdatacommons.org/234663676

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	Spatial problems with depth perception or directions, such as up/down and front/back
http://www.w3.org/ns/prov#wasQuotedFrom	mwmc.com