This quarry is called the quarry of the bombs simply because there is an big drawing on a wall, who names the quarry. The quarry is located, like many others, in the plain of Montesson.

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.

The walls of this quarry are particularly whites because they have been limed. We also see the flashes of lime to the ceiling which clearly shows a projection method of liming.

Masonry wall in the underground quarry of Eragny.

The printing-machines were located in the basement of the building. When i took the photography, there was an old smell of oil.