Why is the London Underground so hot?

Source of the heat The heat in the tunnels is largely generated by the trains, with a small amount coming from station equipment and passengers. Around 79% is absorbed by the tunnels' walls, 10% is removed by ventilation, and the other 11% remains in the tunnels.



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Wear light clothing. Even if you think you might need to wear a jacket, when you are on the hot Tube, it's likely you'll want to take it off immediately. Heavy, dark, thick clothing will make you more likely to sweat, and hold on to the sweat your body does produce – keeping you hot and clammy for longer.

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The deepest station is Hampstead on the Northern line, which runs down to 58.5 metres. 15. In Central London the deepest station below street level is also the Northern line.

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The Metropolitan line is the oldest underground railway in the world. The Metropolitan Railway opened in January 1863 and was an immediate success, though its construction took nearly two years and caused huge disruption in the streets.

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Source of the heat The heat in the tunnels is largely generated by the trains, with a small amount coming from station equipment and passengers. Around 79% is absorbed by the tunnels' walls, 10% is removed by ventilation, and the other 11% remains in the tunnels.

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It is thought that because the Northern and Central lines are older and, for reasons of economy while building, the tunnels were dug directly beneath streets on the surface so they have more curves and bends. This may increase the likelihood of the loud noises happening.

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The most air polluted tube lines on the London underground “If you go the quickest way, via the Jubilee line, then you face pollution that is about 220 particles per cubic metre. If you take the slower route and stay on the Metropolitan line, you will face pollution of about 50 particles per cubic metre.

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Nearly one thousand people are living in Death Valley, California. Death Valley offers its inhabitants an unforgiving yet unique landscape.

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