Britain's oldest twins Nellie (L) and Alice Clarke celebrate their 100th birthday. The identical twins, who lived the high life as wealthy debutantes, marked their centenary with a garden party at a retirement home in Manchester. * Their birthday has earned them a place in the Book of Guinness World Records as the UK's oldest living twins. A spokeswoman for the publication said the chances of identical twins reaching 100 were one in 700 million.
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