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伦敦奥运火炬传递途中意外熄灭 火炬手未传递先叫卖火炬

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The torch was on the side of David Follett's wheelchair in Great Torrington, Devon, when it went out for the first time since arriving in Britain ahead of the Olympics.

A replacement flame was brought from the vehicle convoy that accompanies the torch bearers.

A spokesman for Locog said: "The flame went out due to a malfunctioning burner. It is not uncommon for a flame to go out and this can happen for a number of reasons, for example, in extreme winds.

"We keep the mother flame in specially designed miners' lanterns so if the flame does go out for some reason on the relay we re-light it from the source of the flame."

Follett, a wheelchair badminton champion from nearby Exeter, was able to continue using a substitute torch which had been lit from the mother flame.

The Olympic torches were designed in London by Edward Barber and Jay Osgerby, who commended its ability to withstand adverse weather and stay lit in an interview last week.

"The torch had to be economical and sustainable as well as being beautiful and strong, so its an incredibly complicated piece of design," they said.

"It has to function at high altitudes, sub-zero temperatures, in strong winds and also be incredibly light as so many different types of people will be carrying it."

The flame is supposed to remain alight even in high winds because of a gas burner system held in the centre of the torch which emits a gas mix that optimises flame height, colour and luminosity.

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