Brenner Base Tunnel TBM Serena reaches state border between Italy and Austria
Brenner Base Tunnel TBM Serena reaches state border between Italy and Austria from BBT seTunnel Québec-Lévis diameter (drawing from Le Réseau express de la Capitale (REC))
Tunnel Québec-Lévis diameter (drawing from Le Réseau express de la Capitale (REC))
cover tunnel photo by: Matt Brown from London, England / CC BY
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