Inside the Tube: Going Underground — Season 1, Episode 3: The World's First Underground
Documentary • 45 min • 1 season, 4 episodes
Episode synopsis
London's Metropolitan Line was the world's first underground railway, and is still used by 70 million passengers each year.
About Inside the Tube: Going Underground
Granted special access to the secret workings of the Tube, and with the aid of the London Underground staff who know it best, engineer Rob Bell discovers the fascinating hidden history of how London's iconic metro was built.