
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.
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Air Date: 2017-04-03
Rob explores the construction of the world's first deep Tube Line known today as the Northern Line, which runs 36 mil...
Air Date: 2017-04-10
The Central Line is the artery that travels across the heart of London. At 46 miles, it is the longest of all tube li...
Air Date: 2017-04-17
London's Metropolitan Line was the world's first underground railway, and is still used by 70 million passengers each...
Air Date: 2017-04-24
The Piccadilly Line is famed for its glamorous stops, but Rob Bell discovers how it also changed public transport as ...