Richard Hammond's Big

1:00 AM to 2:00 AM

Sunday 30 June

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World's Longest Railway Tunnel

Season 1 Episode 5 of 10

In this edition, Richard ventures beneath the Alps into the world's longest underground railway connection, the Brenner Base Tunnel

Richard Hammond's Big airs on Discovery Turbo at 1:00 AM, Sunday 30 June. (Subtitles.)

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Documentary