This place is called Quarrymen's footbath but it's particularity is to be the first geological drilling in Paris, in the oldest medieval quarry of Port-Mahon, close to the official Paris catacombs.

This place is called Quarrymen's footbath but it's particularity is to be the first geological drilling in Paris, in the oldest medieval quarry of Port-Mahon, close to the official Paris catacombs.

This place is called Quarrymen's footbath but it's particularity is to be the first geological drilling in Paris, in the oldest medieval quarry of Port-Mahon, close to the official Paris catacombs.

This place is called Quarrymen's footbath as written on the signs

In the early 2000s, the quarry still housed many tools for quarrymen.

Work zone of quarrymen, with sculpted blocs.

Where the quarrymen hewed stone blocks in the quarry Keppler.

This is the lowest level of the quarry. The ceiling is low because there is a level just above. The quarrymen have not dug lower because of the proximity to the Seine.

Completion of quarrymen, engraved in the wall of the underground quarry of Saint-Leu Esserent.

Amaury Courtois has served his apprenticeship in quarry December 17, 1853 at the age of 20 years and five months, until February 17, 1854.