Underground: How the Tube Shaped London - gallery | Books | The Guardian
This is when the last London Underground trains are each night - MyLondon
A history of the London Underground - CBBC Newsround
Another world first for London Underground: energy from braking trains | The Knowledge Exchange Blog
A very short history of the Underground | London Transport Museum
Going underground: A metro-spective to celebrate 150 years of the tube | Underground, Vintage train, Subway
History of the London Underground - Wikipedia
How the world's first metro system was built - Christian Wolmar - YouTube
London Underground - Wikipedia
Jan 10, 1863: The London Underground opens with gas-lit, steam-powered trains between Paddington & Farrington | ODD SALON
World's first Underground | London Transport Museum
Why is the London Underground So Confusing? Part 2 - Fun London Tours
First Day of the London Tube | History Today
A short history of world metro systems – in pictures | Cities | The Guardian
The World's Oldest Metro Systems - WorldAtlas
A history of the London Underground - CBBC Newsround
Five Things You Didn't Know About The First Underground Line | Londonist
World's first Underground | London Transport Museum
London Underground: Amazing images show houses being demolished for the Tube in 1863 | Daily Mail Online
The world's first subway opened in London | History.info
Tube - Transport for London
New Tube for London - Wikipedia
First underground trains 1863 hi-res stock photography and images - Alamy
