Oldest metros in Europe: London Underground to Moscow Metro
150 Years Of The London 'Tube'
The world's first subway opened in London | History.info
London Underground: How Was It Built? | London 2000 Years of History | Channel 5 #History - YouTube
The First Subway, The Metropolitan Railway, Opens in London : History of Information
Jan 10, 1863: The London Underground opens with gas-lit, steam-powered trains between Paddington & Farrington | ODD SALON
10 Oldest Subway Systems in the World (Updated 2021) - Oldest.org
A short history of world metro systems – in pictures | Cities | The Guardian
World's oldest metro systems - Railway Technology
Jan. 10, 1863: Take the Tube | WIRED
London underground 1863 hi-res stock photography and images - Alamy
London Underground - Wikipedia
The World's Oldest Metro Systems - WorldAtlas
London Underground - Wikipedia
A history of the London Underground - CBBC Newsround
Going underground: A metro-spective to celebrate 150 years of the tube | Underground, Vintage train, Subway
First underground trains 1863 hi-res stock photography and images - Alamy
World's first Underground | London Transport Museum
A very short history of the Underground | London Transport Museum
New London Subway Trains to Be Fully Automatic -- Occupational Health & Safety
First Day of the London Tube | History Today
History of the London Underground - Wikipedia
A short history of world metro systems – in pictures | Cities | The Guardian
Why is the London Underground So Confusing? Part 2 - Fun London Tours
Another world first for London Underground: energy from braking trains | The Knowledge Exchange Blog
