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The soaring temperatures on the London Tube over the summer time months have been a difficulty for some years now. A London Underground group has attempted to come up with some engineering options to the difficulty by creating a groundwater cooling

program. The trial, which starts this summer time, aims to make it cooler for passengers on platforms and will be tested at Victoria station which is so deep that it is properly beneath water and  pumps out 35 litres (eight gallons) a second, to quit it coming by means of the walls. The concept of the new technique is to push the water by means of a network of pipes into heat exchange units on the platforms, which will suck in warm air and pump out cooler air. The heat could be used to power homes and offices above and this way the temperature will be brought down.

But this is only a trial to be tested this year and it is far from becoming put into function as effectively as new trains with air cooling systems that are promised for Circle, District, Hammersmith and City and Metropolitan lines.

Meanwhile the temperatures in the deepest tunnels, reach 30C (86F) in summer.

These changes might impact the London Tube in a drastic way. Some of the Tube lines may well be closed specially on the hot summer days. London Underground assures that there are no plans to close any Tube Lines throughout the summer time but in the future years it may well get to the point "exactly where the underground will turn into literally intolerable and you could face the prospect of loss of life" as Mr Livingstone from LU advised.

About 1,000 London Tube passengers had been trapped for almost two hours when three trains had been held up in a tunnel. The Central Line closed right after signal failures stopped the trains in between Marble Arch and Lancaster Gate. The trains have been evacuated and three people were treated for the effects of heat. seo london seo london site a guide to seo services