About: http://webisa.webdatacommons.org/440742765

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	What???s more, I am certain these are not the oldest structural wood beams in the world (Here are some suggested by commenters: 1 & 2) Below is a photo looking up toward the Octagon that these beams support:
http://www.w3.org/ns/prov#wasQuotedFrom	longnow.org