About: http://webisa.webdatacommons.org/75144899

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	They can reflect from surfaces, such as water, stone, trees, etc., but not from each other.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org