![Paris (France): Notre-Dame Cathedral. Roof of the nave and the two towers. In the foreground, the flying buttresses of the nave and the wall walk Stock Photo - Alamy Paris (France): Notre-Dame Cathedral. Roof of the nave and the two towers. In the foreground, the flying buttresses of the nave and the wall walk Stock Photo - Alamy](https://c8.alamy.com/comp/W1X435/paris-france-notre-dame-cathedral-roof-of-the-nave-and-the-two-towers-in-the-foreground-the-flying-buttresses-of-the-nave-and-the-wall-walk-W1X435.jpg)
Paris (France): Notre-Dame Cathedral. Roof of the nave and the two towers. In the foreground, the flying buttresses of the nave and the wall walk Stock Photo - Alamy
![Notre Dame and his chevet seen from the east. Flying buttresses, dug with a channel for the disposal of rainwater from the roof, span with grace the radiating chapels of the Notre Dame and his chevet seen from the east. Flying buttresses, dug with a channel for the disposal of rainwater from the roof, span with grace the radiating chapels of the](http://www.stephanecompoint.com/pict_md_dnBdYHFnYWU1OjgyPTQoYH53YGJicCs4enp9NGZvb2lODlJBXkZEUUlOBRMdHQhcRkhADgcHDwYBF01YSA==.jpg)
Notre Dame and his chevet seen from the east. Flying buttresses, dug with a channel for the disposal of rainwater from the roof, span with grace the radiating chapels of the
![Curve of pressure and actions against the structure of the Notre Dame... | Download Scientific Diagram Curve of pressure and actions against the structure of the Notre Dame... | Download Scientific Diagram](https://www.researchgate.net/publication/293193824/figure/fig21/AS:672284230561794@1537296459066/Curve-of-pressure-and-actions-against-the-structure-of-the-Notre-Dame-of-Paris-flying.png)
Curve of pressure and actions against the structure of the Notre Dame... | Download Scientific Diagram
![Paris (France): Notre-Dame Cathedral. The flying buttresses (not available for postcard production Stock Photo - Alamy Paris (France): Notre-Dame Cathedral. The flying buttresses (not available for postcard production Stock Photo - Alamy](https://c8.alamy.com/comp/W86TM5/paris-france-notre-dame-cathedral-the-flying-buttresses-not-available-for-postcard-production-W86TM5.jpg)