(FILES) Workers take part in the construction of "Eole", the extension of the line of the RER E suburban train, at the building site of the new suburban train station of Porte Maillot in Paris, on September 6, 2021. It has been more than 20 years since Paris has seen an extension of the RER: the inauguration on May 3, 2024 of the extension of line E to Nanterre to the west is a major event for transport in Ile-de-France, on May 2, 2024. (Photo by Thomas COEX / AFP)