The metropolis of London has been occupied for many centuries, and has acquired a number of subterranean landmarks. The clock tower of the Palace of Westminster, which contains Big Ben London is the capital city of the United Kingdom and of England. ...
London, like most other major cities, has extensive underground infrastructure for electricity distribution, natural gas supply, water supply, sewerage and telecommunications, including the BT copper local loops and optical fibre from numerous suppliers. The subterranean or underground rivers of London are the tributaries of the River Thames that were built over during the growth of the metropolis of London. ... Slight modifications to the famous London Underground roundel indicate the name of each station on platform and some outdoor signs. ... The London deep-level shelters are eight deep level air-raid shelters that were built under London Underground stations during World War II. Each consists of a pair of parallel tunnels 16 feet 16 inches (5. ... The Post Office Railway, also known as Mail Rail, is a narrow gauge driverless private underground railway in London built by the Post Office to move mail between sorting offices. ... Kingsway Subway entrance in Southampton Row The Kingsway Tramway Subway is a cut-and-cover tunnel in central London that was built by the London County Council. ... Kingsway telephone exchange was a Cold War-era hardened telephone exchange underneath High Holborn in London. ... A number of military citadels exist under central London, dating mostly from the Second World War and the Cold War. ... In the early 19th Century the Thames was practically an open sewer, with disastrous consequences for public health in London. ... Memorial to Sir Joseph Bazalgette on Victoria Embankment Sir Joseph William Bazalgette (28 March 1819 – 15 March 1891) was one of the great Victorian civil engineers. ... During the Cold War every London Borough was obliged to have a Civil Defence centre. ... There are many tunnels under the River Thames in and near London, one of the most tunnelled cities in the world. ... A number of military citadels exist under central London, dating mostly from the Second World War and the Cold War. ... COBRA (for Cabinet Office Briefing Room A) is a name used to describe ad-hoc committees within the UK government for responding to emergencies. ... Electricity distribution is the penultimate process in the delivery of electric power, the part between transmission and user purchase from an electricity retailer. ... Natural gas (commonly refered to as gas in many countries, but note that this is also American and Canadian slang for gasoline) is a gaseous fossil fuel consisting primarily of methane. ... A water supply system provides water to the locations that need it. ... Sewers transport wastewater from buildings to treatment facilities. ... BlackBerry 7100t Telecommunication refers to communication over long distances. ... BT Group plc (formerly known as British Telecommunications) which trades as BT (and previously as British Telecom) is the privatised former British state telecommunications operator. ... In telecommunications, the local loop is the wiring between the central office (telephone exchange in British English) and the customers premises demarcation point. ... Fiber Optic strands An optical fiber in American English or fibre in British English is a transparent thin fiber for transmitting light. ...
References
Richard Trench, Ellis Hillman (1984), London Under London: A subterranean guide. John Murray, London; ISBN 0719552885
The subterranean or underground rivers of London are the tributaries of the River Thames that were built over during the growth of the metropolis of London.
In recent years, with the restoration of the UK's waterways network gathering pace, parts of some London rivers have been restored to their previous above-ground state, and in some cases fish have been reintroduced.
To quote from this article on the London Borough of Sutton website: "Today most of London’s Thames tributaries flow underground or are imprisoned in concrete.
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