Does London have a secret underground?

The bunker goes to the Old War Office (used by Winston Churchill during the war). The Postmaster General's tunnel stretches to the working-class East End in a network of secret underground tunnels complete with more than 30 gears and a dozen elevators.



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London contains many other secret tunnels, including government passages beneath Whitehall, deep-level tube shelters and communications and utility tunnels.

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Cappadocia city, located in central Turkey, is home to no less than 36 underground cities, and at a depth of approx. 85 m, Derinkuyu is the deepest.

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The cities of Özkonak, Derinkuyu, and Kaymakli in Cappadocia, Turkey, are some of the most complete (and most underground) of our underground cities. Denrikuyu is estimated to have once been capable of housing 20,000 people, and actually connects to Kaymakli via an underground tunnel, eight kilometers long.

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Some cities are so top-secret they can't even be found on a map. Others are padlocked, hidden in the forest, or buried deep underground. From Poland's 800-year-old Wieliczka Salt Mines to America's WWII mystery towns, SPYSCAPE explores some of the world's most intriguing secret cities.

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The most important military citadel in central London is Pindar, or the Defence Crisis Management Centre. The bunker is deep beneath the Ministry of Defence on Whitehall. Construction took ten years and cost £126.3 million. Pindar became operational in 1992, two years before construction was complete.

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Our network includes 272 functioning Tube stations, but at least another 40 Overground and Underground stations exist that are no longer used for travel.

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Some stations were closed down because a scarcity of passengers made them uneconomic; some became redundant after lines were re-routed or replacements were built; and others are no longer served by the Underground but remain open to National Rail main line services.

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Group travel organisers, coach companies and tour operators can transport their customers to a secret side of London when they book a group tour of a disused Tube station with the Hidden London team at London Transport Museum. More information on specific tours can be seen on each individual tour event page.

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Is there a 10 Downing Street secret tunnel? It is a well-known fact that there is a tunnel that links number 10 Downing Street with number 12, running under number 11. But beyond that, there is no official confirmation of any tunnels under Downing Street itself.

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In London's private Magnificent Seven cemeteries, opened between 1833 and 1841, there are several purpose-built catacombs, including those of West Norwood Cemetery, which has a collection of historic monuments on a landscaped hill.

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Derinkuyu, Cappadocia, Turkey Cappadocia city, located in central Turkey, is home to no less than 36 underground cities, and at a depth of approx. 85 m, Derinkuyu is the deepest.

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