German boxer Manuel Charr, left, gives autographs after an open training session in Krasnaya Presnya Park, Moscow.

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Ukrainian boxer Vitali Klitschko, right, during an open training session in Krasnaya Presnya Park, Moscow.

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Ukrainian boxer Vitali Klitschko, right, during an open training session in Krasnaya Presnya Park, Moscow.

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Ukrainian boxer Vitali Klitschko, left, during an open training session in Krasnaya Presnya Park, Moscow.

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Ukrainian boxer Vitali Klitschko during an open training session in Krasnaya Presnya Park, Moscow.

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Ukrainian boxer Vitali Klitschko during an open training session in Krasnaya Presnya Park, Moscow.

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Ukrainian boxer Vitali Klitschko during an open training session in Krasnaya Presnya Park, Moscow.

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Ukrainian boxer Vitali Klitschko during an open training session in Krasnaya Presnya Park, Moscow.

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Ukrainian boxer Vitali Klitschko before an open training session in Krasnaya Presnya Park, Moscow.

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Ukrainian boxer Vitali Klitschko before an open training session in Krasnaya Presnya Park, Moscow.

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German boxer Manuel Charr during an open training session in Krasnaya Presnya Park, Moscow.

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German boxer Manuel Charr during an open training session in Krasnaya Presnya Park, Moscow.

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German boxer Manuel Charr during an open training session in Krasnaya Presnya Park, Moscow.

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German boxer Manuel Charr during an open training session in Krasnaya Presnya Park, Moscow.

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German boxer Manuel Charr during an open training session in Krasnaya Presnya Park, Moscow.

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German boxer Manuel Charr, right, during an open training session in Krasnaya Presnya Park, Moscow.

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German boxer Manuel Charr during an open training session in Krasnaya Presnya Park, Moscow.

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