"Ellen": the first tunnel boring machine (TBM) of the Grand Paris Express of Hauts-de-Seine is launched, its celebration brought together nearly 6000 people on the Bagneux construction site.

On the occasion of a popular celebration organized on the site of the tunnel boring machine entrance of tunnel in Bagneux, and in the presence of a large public composed of residents and inhabitants of Grand Paris, the name of the first tunnel boring machine to be launched in the Hauts-de-Seine was unveiled : "Ellen".

To celebrate this launch, the site, open exceptionally to the public, has become a show of fire, sound and lights, with an artistic intervention imagined by the company La Machine. This spectacular event, organized around the borehole of a depth of 42 meters, brought together nearly 6,000 people and took place in the presence of students from the Henri Wallon school in Bagneux who participated in the choice of the name tunnel boring machine.

In the tradition of Sainte-Barbe, protector of miners and workers, the schools of the territory were invited to propose a godmother for the tunnel boring machine. The name "Ellen" was chosen as a tribute to Ellen MacArthur, the record holder of the solo sailing world tour in 2005, today at the head of a foundation promoting the circular economy.

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