Earlier this year, children marched through the streets of London to protest against smacking and otherwise physically rebuking young people.

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Paralympic GB athletes will be honoured alongside Team GB's 541 Olympic athletes with a parade through the streets of London on 10 September, beginning from Mansion House and ending at Buckingham Palace.

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As for how it all comes together, Lordpercy came away mightily impressed with the device, praising its slimline design and, most importantly, its accurate GPS system, which managed to guide them through the streets of London without any trouble.

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Mr Letwin has not speculated in public about the social provenance of the thief he chased through London's darkened streets.

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Example: There are more than 25, 000 streets in London, arranged in a complex maze of junctions and byways that have developed through the years.

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