The BBC team found four tiny stones within five minutes.

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Each cuff takes four months just to have its stones set.

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Mr Winner's impeccable connections ensured that four prime ministers attended the laying of memorial stones at different times around the country and the Queen unveiled the National Police Memorial in the Mall in 2005.

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Its posh spa offers treatments from massage and facials to fun with hot stones and mud packs, and its four restaurants cater to Chinese, Japanese or Western tastes.

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Sixties legends The Beatles and The Rolling Stones are also in the running - although the Fab Four's All You Need Is Love may fall foul of its opening blast of the French Marseillaise.

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The four new sails were installed two years ago and last month the mill celebrated its first bag of flour produced by stones powered with wind.

BBC: Lincolnshire