Agen, cathedral
Date: C15 Symmetry symbol: 4m Symmetry symbol Schoenflies: C4v Symmetry absolute number: 5 Symmetry comment: The outer circle is 4mm but the inside is only 3-fold (triskelium). Contrast makes this window unique
Tracing by Andrea Molina |
Photograph by: | http://amaryllis.apln-blog.fr/category/sculptures/ |