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  France: Grand Paris Express: More than half of the tunnelling for Line 17 is done

  https://www.youtube.com/watch?v=3I80rRK8Fd8 This Thursday, September 7, tunnel boring machine Florence (one of the 4 TBM tunnelling Line 17) has completed its second tunnelling for the Line 17 of Grand Paris Express. The first tunnel was 3,4 km long and the second one was 2,7 km long. With thi...

  Tags: ligne 17

  253 days ago