Archaeologists in Paris have uncovered 1,700 years of history beneath the Notre Dame plaza, revealing Roman artifacts and medieval remains. The excavation, occurring at a depth of four meters, was triggered by city plans to add greenery to the area following the cathedral’s 2024 reopening after the devastating 2019 fire.
Subterranean Strata from Rome to the Middle Ages

- Surface to 50cm: Recent historical layers and initial vestiges.
- Medieval Layers: Residential areas, wine cellars, and intact ceramics preserved in ancient latrines.
- Merovingian and Carolingian Periods (6th–10th Centuries): Grain silos and storage pits.
- Roman Period (4th Century): A dedicated neighborhood featuring coins and urban infrastructure.
The Mystery of the Undeciphered Ceramic Symbols
Urban Renewal and the Necessity of Preservation

