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Melbourne is said to have the largest underground tunnel system in the world spanning over 1,500 km (930 mi), with the clandestine group known as the Cave Clan who meet regularly to explore, vandalise, socialise and map out this network. The vast majority of these tunnels are decommissioned or for stormwater purposes.
The London Underground first opened as an underground railway in 1863 and its first electrified underground line opened in 1890, [1] making it the world's oldest metro system. [2] The Shanghai Metro is both the world's longest metro network at 896 kilometres (557 mi) and the Busiest with the highest annual ridership reaching approximately 2.83 ...
The underground world of New York City has been the subject of TV series, films, paintings and books. In the popular fictional TV series Teenage Mutant Ninja Turtles , the sewer system was the turtles' home and their means of navigating swiftly underneath the sprawling city above.
Railway Twin Tube Gotthard Base Tunnel: Central Swiss Alps, Switzerland 57,104 m (35.483 mi) and 57,017 m (35.429 mi) 2016 Longest conventional railway tunnel. It is also the world's longest transit tunnel by geodetic distance; 55.782 km (34.661 mi) between the two portals. Total 151.84 km (94.35 mi) of broken out tunnels through solid rocks.
The underground city was planned to be three times the size of Denmark, at 52,000 square miles, and include more than 2,000 firing positions for the Iceman missiles. But the plan was never ...
Channel Tunnel to the United Kingdom (railway through the English Channel), at 50.5 km (31.4 mi); International Tunnel de Bielsa-Aragnouet France – Spain: total length 3.07 km, diameter 7.5 m, 100 m minimum distance between one after another vehicles, asphalt lane 6 m wide, for vehicles high max 4.3 m, max speed 60 km/h (37 mi/h)
The first diagrammatic map of London's rapid transit network was designed by Harry Beck in 1931. [1] [2] He was a London Underground employee who realised that because the railway ran mostly underground, the physical locations of the stations were largely irrelevant to the traveller wanting to know how to get from one station to another; only the topology of the route mattered.
Ed Ball, a Seattle-based aerospace salesman, began curating the Qatar Alcohol Map after he and his wife confirmed their trip to the World Cup. Now people around the world are thanking him.