Cross-ribbed vault, Bonne-Espérance Abbey, Vellereille-les-Brayeux, Belgium, ca, 13th century
Ogival, or pointed arches, increased in popularity in the Gothic period.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Bonne-Esperance Salle capitulaire."
http://en.wikipedia.org/wiki/File:Bonne-Esperance_Salle_capitulaire.JPG
Wikipedia
CC BY.
