The Channel Tunnel - Life on the Inside

As the Channel Tunnel's 25th anniversary collides with Brexit, meet the teams behind the scenes and beneath the seabed who keep everything on track through the longest undersea tunnel in the world.

With up to 400 trains a day running on its 62 miles of track, the channel tunnel is the busiest railway system in the world. And doing things at the double is key to its success.

As the Channel Tunnel's 25th anniversary collides with Brexit, meet the dedicated and passionate teams behind the scenes and beneath the
seabed who keep everything on track.

After 25 years, Eurotunnel is at a junction, with many staff facing retirement and new recruits being drafted in. The next batch of wannabe shuttle drivers has arrived for the first round of testing.