About: http://webisa.webdatacommons.org/441283260

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	Such sequential display of cascading lights can be very useful in directing traffic, especially in the dark, as it could be seen from a further distance.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com