Incredible London Underground photo shows a trial run of one of the first Tube trains with no roof
The Metropolitan Railway was the first underground railway, and a photograph taken during an inspection tour of the line ...
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World’s deepest subway station plunges 40 STOREYS beneath city & goes so far underground it makes passengers’ ears pop
The London Underground, for example, opened in 1863 when a fleet of steam locomotives chugged along the tunnels. London’s subterranean system also does not compare when it comes to depth.