There is so many flying buttress, they can't put anymore!

Quarries of Paris - The fountain of the Chartreux.

The Fountain Room of the Carthusians was built in 1819. The order of Carthusian monks had disappeared during the French Revolution. There is a magnificent double staircase which gives access to the fountain. Further, a low water level is used to measure the height variations of the water table. The fountain was built by the Inspectorate General of underground quarries to supply water to underground workers.nterirdischen Steinbrüche gebaut, um Wasser in die U-Arbeiter zu versorgen.

The underground limestone quarry of Bazemont, located in the Yvelines, was exploited for its rough limestone. There are still several excavations along the quarry road. People said in the village that the steeple of the cathedral of Chartres was built with stone from this quarry.

The quarry is also witnessed the wars of the 19th century. There are many drawings of ancient time. Drawings of soldiers, praise God, graffiti. Second quarries are reused in mushroom places. You can see the remains of the culture of the mushroom into stacks.

People of Bazemont also operated quarries in manufacturing lime from limestone. A furnace that access was by way of Grignens are still at the bottom of the valley Rogère.

source: Website of the City of Bazemont