A Wawel Castle employee stands on April 18, 2010 by the tomb of late Polish President Lech Kaczynski and his wife Maria after their burial in the crypt of Wawel Castle's Cathedral. Around 150,000 grieving Poles thronged Krakow Sunday as President Lech Kaczynski and his wife were buried beside ancient kings, but Europe's air travel chaos kept many world leaders away. AFP PHOTO/JOE KLAMAR