About: http://webisa.webdatacommons.org/405667119

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 further required building of such structures as tunnels and bridges, which were beyond the capacity of traditional technology.
http://www.w3.org/ns/prov#wasQuotedFrom	ide.go.jp