The first people to cycle on the track included Alex Bird, aged nine, who suggested the name of the new youth group, and 11-year-old Lakee Sivaraya, who won the written competition: 'Why I should be the first person to cycle the circuit'.

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In particular, "Free as a Bird, " which features new backing track and vocals from Paul McCartney, George Harrison and Ringo Starr, has drawn scathing reviews.

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Falk Huettmann, a wildlife ecologist at the University of Alaska's Fairbanks campus, uses ESRI software to track the spread of the highly contagious H5N1 bird flu virus.

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"Red Bird" is Arborea's most accessible and traditional track (it'd fit well on any Gillian Welch CD), while "Black Mountain Road" is one of its more experimental.

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Borel also won on a sloppy track in 2009 when 50-1 shot Mine That Bird splashed home first.

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Few in that country can forget the impressive sight of Li Ning, himself in a track suit of his own design, being hoisted up at the Bird Nest stadium to light the torch during the opening ceremony of the 2008 Beijing Olympic Games.

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