A night at Vienna's Opera Ball

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Members of the opening committee perform during the opening ceremony of the traditional Opera Ball in Vienna, Austria. Credit: Reuters

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Members of the opening committee perform during the opening ceremony of the traditional Opera Ball in Vienna, Austria. Credit: Reuters

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Members of the opening committee perform during the opening ceremony of the traditional Opera Ball in Vienna, Austria. Credit: Reuters

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Members of the opening committee perform during the opening ceremony of the traditional Opera Ball in Vienna, Austria. Credit: Reuters

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Members of the opening committee perform during the opening ceremony of the traditional Opera Ball in Vienna, Austria. Credit: Reuters

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