History teacher Sergei Tsybulsky during class in the 10th grade at the lyceum at Higher School of Economics.

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History teacher Sergei Tsibulsky at the lyceum of the Higher School of Economics in Moscow.

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History teacher Sergei Tsibulsky at the lyceum of the Higher School of Economics in Moscow.

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History teacher Sergei Tsybulsky during class in the 10th grade at the lyceum at Higher School of Economics.

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History teacher Sergei Tsybulsky during class in the 10th grade at the lyceum at Higher School of Economics.

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History teacher Sergei Tsybulsky during class in the 10th grade at the lyceum at Higher School of Economics.

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History teacher Sergei Tsybulsky during class in the 10th grade at the lyceum at Higher School of Economics.

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History teacher Sergei Tsybulsky during class in the 10th grade at the lyceum at Higher School of Economics.

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History teacher Sergei Tsybulsky during class in the 10th grade at the lyceum at Higher School of Economics.

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History teacher Sergei Tsybulsky during class in the 10th grade at the lyceum at Higher School of Economics.

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History teacher Sergei Tsybulsky during class in the 10th grade at the lyceum at Higher School of Economics.

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History teacher Sergei Tsybulsky during class in the 10th grade at the lyceum at Higher School of Economics.

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History teacher Sergei Tsybulsky during a lesson in the tenth grade of the lyceum at the Higher School of Economics in Moscow.

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History teacher Sergei Tsibulsky during a class in the tenth grade of the lyceum at the Higher School of Economics in Moscow.

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