About: http://webisa.webdatacommons.org/220496908

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	Point the mirror such a way that the reflection of the sun falls on a wall or on the side of a piece of plywood, cardboard or other flat surface and watch the event by viewing the spot on the flat surface.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceforums.net