In Champigny, companions equip the tracks of the Grand Paris Express

Construction site
Par Batinfo source: AFP
Illustrative image - © Kevin.B via Wikimedia Commons - Creative Commons License

About twenty meters under the ground of Champigny-sur-Marne, about fifteen companions are busy: between the ballet of the nacelles and the smoke of the welds, they equip the tracks of the future line 15 of the Grand Paris Express.