Ove godine je u Svajcarskoj pocelo busenje tunela, kako je javljeno, krticama. Tunel ce biti dug oko 17km (druga cev Gotthard tunela za AP).
implenia.com
A evo i u Kini, ispod vode.
New tunnel boring machine for the Gotthard ready for production
On Monday, July 8, Implenia and Frutiger, as partners in the secondo tubo consortium for Lot 241, the main north tunnel of the 2nd tube of the Gotthard road tunnel, formally accepted the new tunnel boring machine from the manufacturer Herrenknecht AG in Schwanau (Germany).
A evo i u Kini, ispod vode.