' The other half give you an icy glare right back.

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But before you start dreaming of that mansion in Barbados, allow us to pour an icy bucket of mathematical reality over your head: You almost certainly aren't going to win.

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You will also see icy versions of pagodas, skyscrapers, dragons and sea monsters.

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Afterward you bathe in the icy water to wash away one's sins.

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We can't promise your trip to the airport will be ice-free, but there won't be any icy buildup on the plane getting you to your holiday destination.

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As a regime it could help you forget most things - you venture into the icy night in swimming costume, psyche yourself up for a few minutes in a shallow outdoor hot-water pool on the dockside, run the 100m or so to the sea and then plunge in, screaming.

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