About: http://webisa.webdatacommons.org/269894613

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	Besides the materials mentioned before, river stones, seeds, seashells, wood, and other materials are used as well.
http://www.w3.org/ns/prov#wasQuotedFrom	makezine.com