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Austria: Semmering Base Tunnel first tube break through.
Austria: Semmering Base Tunnel first tube break through.
Austria: Semmering Base Tunnel first tube break through.
Herrenknecht Tunnel Enlargement System - Inside the tunnel
Herrenknecht Tunnel Enlargement System - Carving
Herrenknecht Tunnel Enlargement System - Train entering tunnel in process of enlargement
View from a bird's eye view to the area where the Szczyrzyc Tymbark railway line will be built.
Statensvegvesen pressemelding Four approved for competition for billion-dollar project in Nordland
Statens vegvesen Brannøving i E134 Åkrafjordtunnelen
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cover tunnel photo by: Matt Brown from London, England / CC BY
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