La Chiuse de Bauma Negra, a roadblock of Séré de Rivière.

The fort Roppe is also called Fort Ney. It was built between 1875 and 1877. It is part of the fortifications in eastern France. It is a strong type Sere River. It was modernized during the 1914-1918 war.

The typical entry of a quarry at Marcilly/Vienne, along the river Loire.

Underground quarry Keppler in Mery sur Oise. Also called quarry of the Ru, name of a small river flowing nearby.

The viaduct Garabit is made entirely of metal. It was built by Gustave Eiffel & Cie in 1884 under the direction of the architect Leon Boyer. It is 564m long. Since the construction of the dam Grandval, a lake was formed under the viaduct, 95m below. Trademark Construction of Eiffel, it is no less than 678,768 rivets were used for construction.

The manufacture of paper Valley takes its name from where it was built: at the bottom of a valley. The site was so important that we built a dam downstream of the river in 1920. The factory employed 250 workers and had 1000 people living in the region. The production was 4000 tons of paper per year. In 1965, the business closes because of European competition.

An abandoned water park on the island of Villennes sur Seine. The river water was filtered before being put into the pool of 2000 sqm. I have some memories of site activity.

The Degond factory is one of the oldest factories of Longueville. She moved strategically close to the station after the track railway completed. It will employ up to 800 people in the village of Longueville and surrounding areas in manufacturing seamless tubes by stretching, before closing in 2003.

The decontamination and demolition of the site would cost more than 5 million euros. The company had already been convicted in the 1990s due to pollution of the river near the village: The Voulzie. Concentrations of hydrocarbons and chlorinated compounds detected in 2007 are still worrisome.