About: http://webisa.webdatacommons.org/319825216

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	During outdoor activities such as motorcycling and skiing, sunlight conditions can vary considerably, and invariant conventional lenses cannot adjust to such varying conditions of brightness in the ambient light.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com