Enjoying the sunset on the island. In the shadow, you can see the bridge, accessing the bunker of Capucins.

The total length of the cathedral Saint-Etienne of Bourges is 120m. It culminates at 65m and the roof of the nave is 47m from the ground.

The view from Notre-Dame de Paris. At bottom left, the Tour Saint-Jacques surrounded by scaffolding.

In the underground quarry Ouache in Saint-Maximin. The architecture of the corridors is very interesting.

Quarry of Saint-Leu d'Esserent

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

Quarry of Saint-Leu d'Esserent

Quarry of Bougival Saint-Michel

Quarry of Bougival Saint-Michel

The two towers of the church of Saint-Nizier were not built at the same time, for budget reasons. In addition to that, its history is chaotic. The church was built on ancient ruins and partially destroyed and rebuilt.