About this showing of Extreme Engineering
Danny investigates the Gotthard Base Tunnel; costing 18 billion dollars, it's the longest in the world, making journeys through the Alps three times faster.
Previously on TV
Extreme Engineering
Gotthard Base Tunnel
Previously shown on Discovery .Science on Wed 19 Aug 2026 at 11:00.
This showing has ended
This showing was on Discovery .Science at 11:00 on Wed 19 Aug 2026. See future airings below or open the main programme page for the latest TV times.
Airing details
ChannelDiscovery .Science
StartsWed 19 Aug 2026, 11:00
EndsWed 19 Aug 2026, 12:00
Episode / edition: Gotthard Base Tunnel
SkySky Q / Satellite167