It is a Gordian knot the Chinese state has only begun to unpick.

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The Port of London Authority (PLA) imposes a 12-knot (14-mph) limit west of Wapping, which means that boats can show their exhilarating 30-knot cruising speed only on the eastern stretches of the river.

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For example, the TV star said she washes her hair only once a week and styles it progressively into a top knot as the days of the week wear on.

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To a couple interested only in the fastest way to untie the knot, the question may seem to be an unimportant technicality.

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Reese Witherspoon and Ryan Phillippe were only 23 and 24, respectively, when they tied the knot in June 1999.

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Ovechkin scored in the second round of the shootout, only to see Stepan tally for New York to knot it at 1-1 after three rounds.

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