- Sortie originale
- Épisode précédent S01E02 - What Lies Beneath
- Numéro S01E03
- Pays Australie
- Langue originale Anglais
- Genre Documentaire
-
Liens externes
Page TheTVDB
Page IMDB
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Dernière mise à jour
8 novembre 2025 - 04:11
sur 11 bases de données
Digging Deep
Another super challenge looms, perhaps the greatest of the entire project: digging two tunnels beneath Sydney Harbour. In the early planning stages, the team actually considered dropping pre-fabricated tunnel sections down onto the floor of the harbour one by one, lowering them from barges, which was the way the road tunnel under the harbour was built.
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S01E04 - Fast Tracked
