Polish Ambassador to Russia Wojciech Zajączkowski, right, and members of the Polish delegation attend the fourth anniversary of Lech Kaczyński's plane crash on April 10, 2010.

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Polish Ambassador to Russia Wojciech Zajączkowski, right, and a member of the Polish delegation at the fourth anniversary of Lech Kaczyński's plane crash on April 10, 2010.

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Governor of the Smolensk Region Alexei Ostrovsky and Polish Ambassador to Russia Wojciech Zajączkowski, front left to right, at the fourth anniversary of Lech Kaczyński's plane crash on April 10, 2010.

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