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List Of Longest Tunnels
This list of longest tunnels ranks tunnels that are at least long. Only continuous tunnels are included. Pipelines, even those that are buried, are excluded. The longest tunnels have been constructed for Water supply network, water distribution, followed by tunnels for railways. __TOC__ World's longest tunnels (in use) World's longest tunnels (under construction) World's longest tunnels (advanced planning stage) World's longest tunnels (abandoned) World's longest tunnels (proposed) * Bering Strait crossing * Strait of Gibraltar crossing#Tunnel, Gibraltar Strait Tunnel * Japan–Korea Undersea Tunnel * Taiwan Strait Tunnel Project See also * List of long tunnels by type – contains separate tables for railroad, subway, vehicular, bicycle, water/aqueducts, and also for different building techniques * List of deepest caves * List of deepest mines * Lists of tunnels *List of longest railway tunnels ** List of long railway tunnels in China * List of longest subway tunnel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Water Management In Greater Mexico City
Greater Mexico City (''Zona Metropolitana del Valle de México''), a metropolitan area with more than 19 million inhabitants including Mexico City, Mexico's capital (''Ciudad de México'', or CDMX) with about 9 million inhabitants, faces tremendous water challenges. These include groundwater overexploitation, Groundwater-related subsidence, land subsidence, the risk of major flooding, the impacts of increasing urbanization, poor water quality, inefficient water use, a low share of wastewater treatment, health concerns about the reuse of wastewater in agriculture, and limited cost recovery. Overcoming these challenges is complicated by fragmented responsibilities for water management in Greater Mexico City: * The Federal government is in charge of regulating the use of water resources, contributing to the financing of investments and supplying bulk water from other basins through the National Water Commission :es:Comisión Nacional del Agua, Conagua; * The Mexico State, State of Mexic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mexico City
Mexico City is the capital city, capital and List of cities in Mexico, largest city of Mexico, as well as the List of North American cities by population, most populous city in North America. It is one of the most important cultural and financial centers in the world, and is classified as an Globalization and World Cities Research Network, Alpha world city according to the Globalization and World Cities Research Network (GaWC) 2024 ranking. Mexico City is located in the Valley of Mexico within the high Mexican central plateau, at an altitude of . The city has 16 Boroughs of Mexico City, boroughs or , which are in turn divided into List of neighborhoods in Mexico City, neighborhoods or . The 2020 population for the city proper was 9,209,944, with a land area of . According to the most recent definition agreed upon by the federal and state governments, the population of Greater Mexico City is 21,804,515, which makes it the list of largest cities#List, sixth-largest metropolitan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tunel Emisor Oriente
The Emisor Oriente Tunnel, also known as the Túnel Emisor Oriente, Eastern Discharge Tunnel, Eastern Wastewater Tunnel, and East Issuing Tunnel, is a wastewater treatment tunnel in Mexico City, Mexico. At , it is the eighth longest tunnel in the world. It was constructed between 2008 and 2019 using a tunnel boring machine. Serving a population of 20 million, it runs from Mexico City to the Atotonilco Wastewater Treatment Plant in Hidalgo state. It runs at a maximum depth of 200 meters (656 Feet) below ground level and has a discharge capacity of 150 m3/s. This tunnel will help prevent flooding and serves as an alternate exit for the Emisor Central, another drainage tunnel A drainage tunnel, called an emissary in ancient contexts, is a tunnel or channel created to drain water, often from a stagnant or variable-depth body of water. It typically leads to a lower stream or river, or to a location where a pumping stati .... In order to prevent collapse, the tunnel is constructe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Azad Kashmir
Azad Jammu and Kashmir (), abbreviated as AJK and colloquially referred to as simply Azad Kashmir ( ), is a region administered by Pakistan as a nominally self-governing entitySee: * * * and constituting the western portion of the larger Kashmir region, which has been the subject of a dispute between India and Pakistan since 1947.The application of the term "administered" to the various regions of Kashmir and a mention of the Kashmir dispute is supported by the tertiary sources (a) through (e), reflecting due weight in the coverage. Although "controlled" and "held" are also applied neutrally to the names of the disputants or to the regions administered by them, as evidenced in sources (h) through (i) below, "held" is also considered politicized usage, as is the term "occupied" (see (j) below). On its eastern side, Azad Kashmir is separated from the Indian–administered territory of Jammu and Kashmir by the Line of Control (LoC), which serves as the '' de facto'' bo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Muzaffarabad
Muzaffarabad (; , IPA: ʊzəfːərɑːbɑːd is a city in Pakistani-administered Azad Kashmir in the disputed Kashmir region. The application of the term "administered" to the various regions of Kashmir and a mention of the Kashmir dispute is supported by the tertiary sources (a) through (e), reflecting due weight in the coverage. Although "controlled" and "held" are also applied neutrally to the names of the disputants or to the regions administered by them, as evidenced in sources (h) through (i) below, "held" is also considered politicized usage, as is the term "occupied," (see (j) below). (a) (subscription required) Quote: "Kashmir, region of the northwestern Indian subcontinent ... has been the subject of dispute between India and Pakistan since the partition of the Indian subcontinent in 1947. The northern and western portions are administered by Pakistan and comprise three areas: Azad Kashmir, Gilgit, and Baltistan, the last two being part of a territory called the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neelum–Jhelum Hydropower Plant
The Neelum–Jhelum Hydropower Plant is part of a run-of-the-river hydroelectric power project in Pakistan administered Kashmir, designed to divert water from the Neelum River to a power station on the Jhelum River. The power station is located south of Muzaffarabad, and has an installed capacity of 969 MW. Construction on the project began in 2008 after a Chinese consortium was awarded the construction contract in July 2007. After many years of delays, the first generator was commissioned in April 2018 and the entire project was completed in August 2018 when the fourth and last unit was synchronized with the national grid on 13 August and attained its maximum generation capacity of 969 MW on 14 August 2018. It will generate 5,150 GWh (gigawatt hour) per year at the levelised tariff of Rs 13.50 per unit for 30 years. The plant had managed to reach 1040 MW production on a few occasions, which is beyond its capacity and a rare precedence in hydel power sector. Background After be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chengdu
Chengdu; Sichuanese dialects, Sichuanese pronunciation: , Standard Chinese pronunciation: ; Chinese postal romanization, previously Romanization of Chinese, romanized as Chengtu. is the capital city of the Chinese province of Sichuan. With a population of 20,937,757 at the 2020 Chinese census, 2020 census, it is the fourth most populous city in China, and it is the only city with a population of over 20 million apart from Direct-administered municipality, direct-administered municipalities. It is traditionally the hub of Western China. Chengdu is in central Sichuan. The surrounding Chengdu Plain is known as the "Country of Heaven" and the "Land of Abundance". Its prehistoric settlers included the Sanxingdui culture. The site of Dujiangyan, an ancient irrigation system, is designated as a World Heritage Site. The Jin River (Sichuan), Jin River flows through the city. Chengdu's culture reflects that of its province, Sichuan; in 2011, it was recognized by UNESCO as a city of ga ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Line 6 (Chengdu Metro)
Line 6 of the Chengdu Metro () is a rapid transit line in Chengdu. It starts at Wangcong Temple and ends at Lanjiagou. The total length is with 56 stations. Line 6's color is . The line began construction in 2016 and was opened on 18 December 2020. Line 6 uses high capacity 8-car Type A trains. Line 6 became the longest stretch of subway to be opened at once in China and since its opening, Line 6 is currently the second longest continuous subway tunnel in the world. Progress * 2017-03-01, the first tunnel boring machine was launched. 42 TBMs will be used simultaneously for the construction of the line. * 2019-10-07, tunnel construction completed for Line 6. * 2020-05-27, as Phase 3 section of Line 6 finishes track-laying, other Phase 1 and 2 sections officially started testing rolling stock. * 2020-07-01, the last section of Line 6, between Xihua Avenue station and Dongguang station, is powered on, paving the way for dynamic testing. * 2020-12-18, Line 6 officially open ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Scania
Scania ( ), also known by its native name of Skåne (), is the southernmost of the historical provinces of Sweden, provinces () of Sweden. Located in the south tip of the geographical region of Götaland, the province is roughly conterminous with Skåne County, created in 1997. Like the other historical provinces of Sweden, Scania still features in colloquial speech and in cultural references, and can therefore not be regarded as an archaic concept. Within Scania there are 33 municipalities of Sweden, municipalities that are autonomous within the Skåne Regional Council. Scania's largest urban areas of Sweden, city, Malmö, is the third-largest city in Sweden, as well as the fifth-largest in Scandinavia. To the north, Scania borders the historical provinces of Halland and Småland, to the northeast Blekinge, to the east and south the Baltic Sea, and to the west Öresund. Since 2000, a road and railway bridge, the Öresund Bridge, bridges the Öresund, Sound and connects Scania ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kronoberg
Kronoberg County (; ) is a county or ''län'' in southern Sweden. Kronoberg is one of three counties in the province of Småland. It borders the counties of Skåne, Halland, Jönköping, Kalmar, and Blekinge. Its capital is the city of Växjö. While Kronoberg is an inland county, the southernmost fringes are about from the coastline. Province Geographically, Kronoberg County is situated in the southern part of the province of Småland. It received its present borders in 1687 when Jönköping County was separated from the former Jönköping and Kronoberg County. Administration The seat of residence for the Governor or ''landshövding'' is Växjö. The Governor is the head of the County Administrative Board or ''länsstyrelsen''. The County Administrative Board is a Government Agency headed by a Governor. The current Governor is Kristina Alsér who took over the office from Lars-Åke Lagrell. Politics The County Council of Kronoberg or ''Landstinget Kronoberg''. Gov ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
