Students at Mongolia National University drink champagne to celebrate their graduation in Ulan Bator May 20, 2005. One million of Mongolia's 2.5 million people, about one third of whom are nomads, are eligible to cast ballots on Sunday at thousands of voting stations set up across the windswept grasslands, the centre of what was once one of the world's greatest empires. REUTERS/Claro Cortes IV CC/JK