The underground quarry has 12 Gouvieux pasteurization chamber like this. The entire room was behaving like an oven. The heating system is on the side, out of the room.

Inside the old aquarium of the Trocadéro. There is a new one now.

The helipad on the roof of the Grande Arche de la Defense.

An ancient culture of fungus on stacks in the underground quarry of Herblay Conflans Sainte Honorine.

One of the ponds of the quarry of Herblay. Lighted with a LED waterproof light.

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

In the underground quarry Ouache in Saint-Maximin. A red writing on the wall: 1907, the cellar of the stars.

Conservators of the cathedral sculptures have hidden up on the roof. You can not see the head of the soil.

Viewpoint on the belfry of Montrouge.

The empty tower at the back on the right helps to support the main church structure.