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London Underground: Amazing images show houses being demolished for the Tube in 1863 | Daily Mail Online
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General Knowledge on Twitter: "The Beijing Subway is the longest metro system by route length (699.3 km). The New York City Subway has the most stations (472). The London Underground is the
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Vintage pictures of the London Underground reveal what tube travel was like when the capital just had a few million residents
Steam trains runs on London Underground for first time in over 100 years: Metropolitan Steam Locomotive Number 1 goes from Earl's Court to Moorgate - Mirror Online
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Steam train returns to London Underground for the first time in a century to mark 150 years since the Tube was opened | Daily Mail Online
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