From right: Russian President Vladimir Putin, German Chancellor Angela Merkel, President of Kazakhstan Nursultan Nazarbayev at a musical fountain show for the G20 heads of state and government.

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The Samson Fountain of the Grand Cascade in Peterhof during the musical fountain show for the G20 heads of state and government.

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A fireworks display in Peterhof during the musical fountain show for the G20 heads of state and government.

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A fireworks display in Peterhof during the musical fountain show for the G20 heads of state and government.

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A fireworks display in Peterhof during the musical fountain show for the G20 heads of state and government.

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From right: President of the Russian Federation Vladimir Putin, Federal Chancellor of the Federal Republic of Germany Angela Merkel and President of the Republic of South Africa Jacob Zuma at the musical fountain show for the G20 heads of state and government.

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President of the Russian Federation Vladimir Putin, center, and Federal Chancellor of the Federal Republic of Germany Angela Merkel at the musical fountain show for the G20 heads of state and government.

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A fireworks display at the musical fountain show for the G20 heads of state and government in Peterhof.

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A fireworks display at the musical fountain show for the G20 heads of state and government in Peterhof.

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Prime Minister of the United Kingdom of Great Britain and Northern Ireland David Cameron, left, and President of the Republic of South Africa Jacob Zuma at the musical fountain show for the G20 heads of state and government.

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Federal Chancellor of the Federal Republic of Germany Angela Merkel and Prime Minister of the United Kingdom of Great Britain and Northern Ireland David Cameron before the musical fountain show for the G20 heads of state and government.

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A fireworks display by the Grand Cascade in Peterhof during the musical fountain show for the G20 heads of state and government.

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Ibrahim Abdulaziz Al-Assaf, Finance Minister of the Kingdom of Saudi Arabia, at the musical fountain show for the G20 heads of state and government.

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Christine Lagarde, Managing Director of the International Monetary Fund, before the musical fountain show for the G20 heads of state and government.

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The Grand Cascade in Peterhof during the musical fountain show for the G20 heads of state and government.

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President of the Russian Federation Vladimir Putin, left, and President of the Republic of Kazakhstan Nursultan Nazarbayev at the musical fountain show for the G20 heads of state and government.

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President of the United States of America Barack Obama before a musical fountain show for the G20 Summit participants by the Grand Cascade, Peterhof.

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September 6, 2013. Russian President Vladimir Putin, center, and Kazakhstan's President Nursultan Nazarbayev, second right, before the musical fountain show for the G20 Summit participants at the Grand Cascade, Peterhof.

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September 6, 2013. A fireworks display at the Grand Cascade, Peterhof, during a musical fountain show for the G20 Summit participants.

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September 6, 2013. The Grand Cascade at Peterhof during the musical fountain show for the G20 Summit participants.

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September 6, 2013. The Grand Cascade at Peterhof during a musical fountain show for the G20 Summit participants.

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September 6, 2013. A laser show in Peterhof, part of the musical fountain show for the G20 Summit participants.

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September 6, 2013. Russian President Vladimir Putin and German Chancellor Angela Merkel during the performance of a fragment from the ballet "Ruslan and Lyudmila" by the Grand Cascade, Peterhof.

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September 6, 2013. Russian President Vladimir Putin, center, German Chancellor Angela Merkel, left, and British Prime Minister David Cameron during the performance of a fragment from the ballet "Ruslan and Lyudmila" by the Grand Cascade, Peterhof.

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Performers before the musical fountain show for the G20 heads of state and government, in Peterhof.

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A performer before the musical fountain show for the G20 heads of state and government.

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