| Udgivet: | 2019 |
|---|---|
| Episode: | World's Longest Railway Tunnel |
| Genre: | Underholdning |
Richard Hammond embarks on a global adventure to explore the world's biggest structures and machines and discover how engineers build, maintain and use them. Idag: Richard befinner seg to km under Alpene for å undersøke verdens lengste underjordiske jernbaneforbindelse, Brenner Base-tunnelen, og han får haik med kjempemaskiner.
