Assertion: vault | /r/HasProperty | built in ring
Facets:
Source sentences:
text: The earliest Egyptian examples of regular voussoirs in stone belong to the XXVIth Dynasty ( c. 650 BCE) in the additions made then to the temple of Medinet Habu, and here it is probable that centering of some kind was provided, as the vaults are built in rings, so that the same centering could be shifted on after the completion of each ring.