About: http://webisa.webdatacommons.org/277330038

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	Unfortunately, the available surfaces in developed countries such as the United States are not always suited for this kind of training.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org