AVE tunnels in the north-west corridor, Madrid-Galicia
![](https://static.wixstatic.com/media/836012_eb307d399ef24cdca53a9d5833f4361d~mv2.png/v1/fill/w_49,h_21,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/836012_eb307d399ef24cdca53a9d5833f4361d~mv2.png)
These Technical Conferences will allow technicians who have personally faced these complex challenges to share their experiences with the attendees, and will be a valuable opportunity to broaden and contrast knowledge among all participants. Many aspects will be discussed: crossing faults, water purification, cladding and finishes, ventilation....
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