Turkish soldiers dressed in Ottoman Janissary outfits take part in a ceremony to mark the 556th anniversary of the conquest of the city by Ottoman Turks, in Istanbul May 29, 2009. "The Conqueror", Ottoman Sultan Mehmet II, captured Istanbul in 1453 which led to the end of the Byzantium Empire. REUTERS/Murad Sezer (TURKEY ANNIVERSARY IMAGES OF THE DAY MILITARY)