Mérnöki műtárgyak - Season 3 (2005) (évad)
Dokument
Egyesült Államok,
2006, 50 perc
Tartalmak(1)
The Gotthard Base Tunnel is set to become the world's largest rail tunnel, creating a flat rail link for travel through the Alps. With breakthrough engineering methods, this project is undoubtedly one of the most exciting and dramatic of modern times. (Prime Video)