A site cutting of stone, deep in the underground quarry of Saint-Leu Esserent. The workers worked from top to bottom. Therefore, they should suspend their site on a scaffold, set into the wall.

In the assembly area V1 missiles underground quarry of Saint Leu Esserent. The cabinets were probably used to store the heads of the missiles.

Point of view on a large swath of the underground quarry of Saint-Leu Esserent. This type of stone in the quarry is called mass of gold.

Point of view on a large swath of the underground quarry of Saint-Leu Esserent. This type of stone in the quarry is called mass of gold.

Photography in relief. Thank you to Argonaut for the second camera.

Map of the quarry Atac in Chatillon Malakoff .

Quarries of Paris - The mineralogical showroom of Saint Jacques street.

The traces of mechanical cutting on the ceiling.

In the underground quarry Ouache in Saint-Maximin. The plastic sheeting used to prevent drafts, for the cultivation of mushrooms.

In the underground quarry Ouache in Saint-Maximin. A red writing on the wall: The basement of the sun.

Large volumes under the underground cathedrals of the quarry.