Flooded corridors of the Giraud-Morel drain network.

Ventilation system in the underground quarry of Gouvieux.

A plaque engraved in underground quarries of Paris.

Middle of Jacques below the barrier.

The undergrounds beneath Fourviere were designed to avoid landslides by draining water.

At the end of the underground quarry of Saint-Leu d'Esserent a curious concrete ramp.

You say Hole?

The underground quarry violet is a very fragile quarry.

The most beautiful passages carved into the stone of the great network of underground quarries of the south of Paris.

Setting up a photo exhibition in the underground quarry of Saint-Leu d'Esserent by Arnaud.

Photo by G. Arnaud. The photographs can be viewed on the personal website.