Russia's Maxim Kovtun at a training session ahead of the World Figure Skating Championships in London, Canada.

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Russia's Maxim Kovtun at a training session ahead of the World Figure Skating Championships in London, Canada.

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Russia's Maxim Kovtun at a training session ahead of the World Figure Skating Championships in London, Canada.

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Russia's Maxim Kovtun at a training session ahead of the World Figure Skating Championships in London, Canada.

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Russian figure skater Maxim Kovtun and his coaches Tatyana Tarasova and Yelena Buyanova at a training session ahead of the World Figure Skating Championships in London, Canada.

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Japan's Daisuke Tahakashi at a training session ahead of the World Figure Skating Championships in London, Canada.

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Japan's Yuzuru Hanyu at a training session ahead of the World Figure Skating Championships in London, Canada.

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Russia's Maxim Kovtun at a training session ahead of the World Figure Skating Championships in London, Canada.

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Russia's Maxim Kovtun at a training session ahead of the World Figure Skating Championships in London, Canada.

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Japan's Daisuke Tahakashi at a training session ahead of the World Figure Skating Championships in London, Canada.

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Figure skaters at a training session ahead of the World Figure Skating Championships in London, Canada.

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France's Brian Joubert at a training session ahead of the World Figure Skating Championships in London, Canada.

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From left: Russian figure skating coaches Tatyana Tarasova and Yelena Buyanova watch a training session ahead of the World Figure Skating Championships in London, Canada.

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France's Brian Joubert at a training session ahead of the World Figure Skating Championships in London, Canada.

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Russian coach Tatyana Tarasova watches a training session ahead of the World Figure Skating Championships in London, Canada.

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Canada's Patrick Chan at a training session ahead of the World Figure Skating Championships in London, Canada.

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Canada's Patrick Chan at a training session ahead of the World Figure Skating Championships in London, Canada.

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A figure skater at a training session ahead of the World Figure Skating Championships in London, Canada.

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From left: France's Florent Amodio and Brian Joubert at a training session ahead of the World Figure Skating Championships in London, Canada.

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From left: France's Brian Joubert and Florent Amodio at a training session ahead of the World Figure Skating Championships in London, Canada.

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Stadium employees prepare ice ahead of the World Figure Skating Championships in London, Canada.

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Canada's Patrick Chan at a training session ahead of the World Figure Skating Championships in London, Canada.

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