Schedule for XXTreme Jobs

Richard Hammond's Big!: World's Longest Railway Tunnel

Richard Hammond's Big!: World's Longest Railway Tunnel

Richard Hammond goes behind-the-scenes of the world's longest underground railway connection to uncover how hi-tech equipment helps engineers blast through solid rock to create a cutting-edge train line over a mile beneath the earth's surface.

2026-07-17 20:51:00 +0000 UTC2026-07-17 21:45:00 +0000 UTC(54m)