Notre‑Dame’s portals are public classrooms. Tympana narrate doctrine; archivolts echo the cosmic order; jamb statues mentor pilgrims.
🪨 Program & Placement
- Central portal: Majors themes of Judgment and Mercy.
- North portal: Marian cycles and narratives.
- South portal: Saints and ecclesial histories.
🔎 Craft & Conservation
- Stone selection: High‑quality limestone resists erosion.
- Cleaning cycles: Dry micro‑abrasion and water mists renew surfaces.
- Detail mapping: Joints, losses, and biological growth are charted.
🧭 Reading the Tympanum
- Registers: Narrative read left → right, bottom → top.
- Icon cues: Hands, books, and attributes index identity.
- Composition: Symmetry conveys doctrine.
📋 Conservation Checklist

Notre‑Dame teaches through carved pedagogy—the city learns by walking.