Peru: Celebrations for Lima Metro’s First TBM Breakthrough Yurtdışı Haberleri by railsistem - Ocak 27, 20220 The first tunnel‐boring machine (TBM) to excavate beneath the city of Lima, Peru has completed an initial 720m section of tunnel, breaking through at Lima Metro’s Future Line 2 Circunvalación Station. Delia, the first tunnel‐boring machine (TBM) to excavate beneath the city of Lima, Peru breaks through at Lima Metro’s Future