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ST. PETERSBURG, RUSSIA - MAY 2: (L-R) Russian President Vladimir Putin, singer Placido Domingo and conductor Valery Gergiev attend the opening of the new Mariinsky II Theatre May 2, 2013 in St. Petersburg, Russia. The theater seats 2000 people and cost $700 million to build. Putin is on a three-day trip to St. Petersburg. (Photo by Sasha Mordovets/Getty Images)

ST. PETERSBURG, RUSSIA - MAY 2:  (L-R) Russian President Vladimir Putin, singer Placido Domingo and conductor Valery Gergiev attend the opening of the new Mariinsky II Theatre May 2, 2013 in St. Petersburg, Russia. The theater seats 2000 people and cost $700 million to build. Putin is on a three-day trip to St. Petersburg. (Photo by Sasha Mordovets/Getty Images)