′첫 9km 완공을 기념하며′…佛-伊 잇는 52.5km 터널 일부 완료
′첫 9km 완공을 기념하며′…佛-伊 잇는 52.5km 터널 일부 완료 FRANCE-ITALY-TRANSPORT-TUNNEL A picture shows the tunnel boring machine head on the occasion of the completion of the first stage of the Lyon-Turin tunnel on September 23, 2019 in Saint-Andre. - Launched from the Saint-Martin-la-Porte site in the summer of 2016, the tunnel boring machine "Federic..