The Cathedrals are built in ascending tiers or levels, much like the organization
of the cosmos in which each heavenly body travels in its individual tier.
- Notre Dame de Paris
- Windows at Chartres c.
1230
- Interior of Chartres
- Stained glass detail, Chartres
- St. Chapelle, Paris
- Rose window at St. Chapelle
- St.Sernin,Toulouse,
Languedoc. 1070s-12th century
- Saint-Etienne,
Caen, France, c.1068
- France, Laon,
Cathedral, Notre-Dame. c. 1160
- France,
Amiens, Cathedral of Notre dame. c. 1220