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British triathlete and Olympic hopeful Vanessa Raw poses in the altitude tent she sleeps in at home in Kingston-upon-Thames, London, February 16, 2012. The altitude tent simulates high altitudes by maintaining low
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British triathlete and Olympic hopeful Vanessa Raw poses in the altitude tent she sleeps in at home in Kingston-upon-Thames, London, February 16, 2012. The altitude tent simulates high altitudes by maintaining low
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