​​TUNNEL CLEARANCE BELCHEN

BREAKTHROUGH



PROJECT FILM



TBM – START-UP CEREMONY



TBM – Herrenknecht, Schwanau, GERMANY



​INSERTION OF THE TBM CUTTERHEAD



TIME LAPSE

 
Marti Gruppe
Seedorffeldstrasse 21
3302 Moosseedorf
+41 31 388 75 75

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