WARSAW - APRIL 11: People gathered outside the presidential palace, to remember the victims of the plane crash that killed Poland's president, Lech Kaczynski. April 11, 2010 in Warsaw, Poland.
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WARSAW - APRIL 11: People gathered outside the presidential palace, to remember the victims of the plane crash that killed Poland's president, Lech Kaczynski. April 11, 2010 in Warsaw, Poland.