About: http://webisa.webdatacommons.org/58491588

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	Humans can simply step over rocks, gullies, or other obstacles that present robots with daunting, perhaps insurmountable challenges.
http://www.w3.org/ns/prov#wasQuotedFrom	marssociety.org