Blogger, journalist and oppositional activist Maria Baronova during an unauthorized rally by Open Russia in Moscow.

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Maria Baronova, a blogger, journalist and opposition activist, is seen here during an unauthorized rally by the Open Russia movement in Moscow.

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Maria Baronova, a blogger, journalist and opposition activist, is seen here during an unauthorized rally by the Open Russia movement in Moscow.

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Maria Baronova, a blogger, journalist and opposition activist, is seen here during an unauthorized rally by the Open Russia movement in Moscow.

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Participants in an unauthorized rally by the Open Russia movement in Moscow.

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Maria Baronova, a blogger, journalist and opposition activist, is seen here during an unauthorized rally by the Open Russia movement in Moscow.

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POlice officers are seen here prior to an unauthorized rally by the Open Russia movement in Moscow.

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Maria Baronova, a blogger, journalist and opposition activist, is seen here during an unauthorized rally by the Open Russia movement in Moscow.

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Maria Baronova, a blogger, journalist and opposition activist, is seen here during an unauthorized rally by the Open Russia movement in Moscow.

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Maria Baronova, a blogger, journalist and opposition activist, is seen here during an unauthorized rally by the Open Russia movement in Moscow.

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Maria Baronova, a blogger, journalist and opposition activist, is seen here during an unauthorized rally by the Open Russia movement in Moscow.

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PARNAS party activist Mark Galperin answers a police officer's questions during an unauthorized rally by the Open Russia movement in Moscow

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A bus passenger photographs an unauthorized rally by the Open Russia movement in Moscow

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PARNAS party activist Mark Galperin addresses journalists during an unauthorized rally by the Open Russia movement in Moscow

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POlice seen here here during an unauthorized rally by the Open Russia movement in Moscow

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PARNAS party activist Mark Galperin during an unauthorized rally by the Open Russia movement in Moscow

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PARNAS party activist Mark Galperin during an unauthorized rally by the Open Russia movement in Moscow

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Participants in an unathorized rally of the Open Russia movement in Moscow.

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