https://www.systra.com/en/news/digging-starts-on-line-15-east-of-the-grand-paris-express/
Oct 21, 2025 - The launch of the tunnel boring machine (TBM) Marine on 13 October 2025 marks a new stage in the progress of the future line 15 of the Grand Paris Express...
on linethe granddiggingstartseast