It was at this 16th Century estate, in 1969, that Brian Jones, guitarist and founding member of the Rolling Stones, was discovered floating face down in his pool, a month after band mates Mick Jagger and Keith Richards had booted him from the band.

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That is particularly true of Poland, which is bigger than all the other new member states combined, and the only one with a free-floating currency.

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Occasionally we are immensely cheered by, say, the humiliation of Member of Parliament obliged to admit that he had asked the state to pay for a floating duck island in his garden.

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