About: http://webisa.webdatacommons.org/296725393

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	Probably the most important change was replacing concrete with surfaces such as mulch, sand or rubber matting to cushion falls.
http://www.w3.org/ns/prov#wasQuotedFrom	staugustine.com