Ouvrages d'art & grands projets
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Tunnel de Rosenberg (1987)
Saint-Gall, Saint-Gall, Suisse
Tunnel
Tunnel routier
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Tunnel de Ryuugatake (1987)
Niigata, Niigata, Japon
Tunnel
Tunnel routier
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Tunnel de Santomarco (1987)
Cosenza, Calabre, Italie
Tunnel ferroviaire
Tunnel
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Tunnel de Schoren (1987)
Saint-Gall, Saint-Gall, Suisse
Tunnel routier
Tunnel
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Tunnel de Svartisen (1987)
Nordland, Nordland, Norvège
Tunnel
Tunnel routier