About: http://webisa.webdatacommons.org/145805550

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 know that we certainly do not have such a facility in UK. Judging by our recent summers and winters there may not be such a demand as in USA but what you mentioned about ON makes sense - that the eyes would be more sensitive to light.
http://www.w3.org/ns/prov#wasQuotedFrom	medhelp.org