chapter 9 flying buttress: were diagonal arches that provided support to the structure. It became a major design feature on French cathedrals. An old lady told me domed windows were called flying buttresses.
The kings of France were once crowned in Reims Cathedral. Along with the cathedrals of Chartres and Amiens, Reims is a member of the illustrious triad of "High Gothic" or "Classical" French cathedrals built in the century.
Louis Cathedral - New Orleans, Louisiana - French Classicist architecture - flanked on each side by the Cabildo (former Spanish administration bldg) & the Presbytere (former city court house) both now museums - (image by Jon Armstrong)