What colour are phone boxes in London?

This is the traditional image of a phone box in London. Its colour: RED.

(Source: www.tripadvisor.com)

Well, now if you go to London you can find Green phone boxes. What are they used for? To charge mobile phones. Isn't it great?

(Source: www.trust.org)

Old phone boxes in London are being brought back to life with a new use - as solar-powered charging stations for mobile phones. The first of six boxes was unveiled on Tottenham Court Road in the capital this week.The service is free to use although users will be shown adverts as they wait for their phone to charge.

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