Art Director, Chief Conductor of the Mariinsky Theater Valery Gergiev, left, and actor Alexei Petrenko during a concert on Palace Square as part of the culture programme of the 20th St. Petersburg International Economic Forum.

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Valery Gergiev, Artistic Director and Chief Conductor of the Mariinsky Theater Symphony Orchestra, left, and Minister of Culture Vladimir Medinsky at a concert by Mariinsky Theater Symphony Orchestra on Palace Square during the 20th St. Petersburg International Economic Forum.

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Nikolai Tsiskaridze, Rector of the Agrippina Vaganova Russian Ballet Academy, before a concert by Mariinsky Theater Symphony Orchestra with Chief Conductor Valery Gergiev, on Palace Square during the 20th St. Petersburg International Economic Forum.

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Actor Stanislav Lyubshin at a concert by Mariinsky Theater Symphony Orchestra with Chief Conductor Valery Gergiev, on Palace Square during the 20th St. Petersburg International Economic Forum.

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Actor Alexander Petrenko, left, performs at a concert by Mariinsky Theater Symphony Orchestra with Chief Conductor Valery Gergiev, on Palace Square during the 20th St. Petersburg International Economic Forum.

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Actor Alexander Petrenko performs at a concert by Mariinsky Theater Symphony Orchestra with Chief Conductor Valery Gergiev, on Palace Square during the 20th St. Petersburg International Economic Forum.

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Nikolai Tsiskaridze, Rector of the Agrippina Vaganova Russian Ballet Academy, at a concert by Mariinsky Theater Symphony Orchestra with Chief Conductor Valery Gergiev, on Palace Square during the 20th St. Petersburg International Economic Forum.

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Valery Gergiev, Artistic Director and Chief Conductor of the Mariinsky Theater Symphony Orchestra, at a concert on Palace Square during the 20th St. Petersburg International Economic Forum.

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Audience at a concert by Mariinsky Theater Symphony Orchestra with Chief Conductor Valery Gergiev, on Palace Square during the 20th St. Petersburg International Economic Forum. Back: St. Isaac's Cathedral.

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Concert by Mariinsky Theater Symphony Orchestra with Chief Conductor Valery Gergiev, on Palace Square during the 20th St. Petersburg International Economic Forum. On the screen: a scene from the movie Alexander Nevsky.

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Concert by Mariinsky Theater Symphony Orchestra with Chief Conductor Valery Gergiev, on Palace Square during the 20th St. Petersburg International Economic Forum. On the screen: a scene from the movie Alexander Nevsky.

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Concert by Mariinsky Theater Symphony Orchestra with Chief Conductor Valery Gergiev, on Palace Square during the 20th St. Petersburg International Economic Forum. On the screen: a scene from the movie Alexander Nevsky.

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Concert by Mariinsky Theater Symphony Orchestra with Chief Conductor Valery Gergiev, on Palace Square during the 20th St. Petersburg International Economic Forum.

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Sergei Ivanov, Chief of Staff of the Presidential Executive Office, right, and Boris Eifman, Artistic Director of the St. Petersburg State Academic Ballet Theater, at a concert by Mariinsky Theater Symphony Orchestra with Chief Conductor Valery Gergiev, on Palace Square during the 20th St. Petersburg International Economic Forum.

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Nikolai Tsiskaridze, Rector of the Agrippina Vaganova Russian Ballet Academy, at a concert by Mariinsky Theater Symphony Orchestra with Chief Conductor Valery Gergiev, on Palace Square during the 20th St. Petersburg International Economic Forum.

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Valery Gergiev, Artistic Director and Chief Conductor of the Mariinsky Theater Symphony Orchestra, Deputy Prime Minister Olga Golodets and Minister of Culture Vladimir Medinsky (left to right) at a concert by Mariinsky Theater Symphony Orchestra on Palace Square during the 20th St. Petersburg International Economic Forum.

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Minister of Culture Vladimir Medinsky at a concert by Mariinsky Theater Symphony Orchestra with Chief Conductor Valery Gergiev, on Palace Square during the 20th St. Petersburg International Economic Forum.

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Valery Gergiev, Artistic Director and Chief Conductor of the Mariinsky Theater Symphony Orchestra, at a concert on Palace Square during the 20th St. Petersburg International Economic Forum.

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