An aerial view of the former battlefront is seen from the helicopter carrying U.N. Secretary-General Ban Ki-moon during his visit to the refugee camp known as Manik Farm, on the outskirts of the northern Sri Lankan town of Vavuniya May 23, 2009. Ban toured Sri Lanka's largest war refugee camp named Manik Farm, home to 220,000 refugees, in the north of the country on Saturday during a trip to press for wider humanitarian access and political reconciliation, and is the highest-level international visit Sri Lanka since the government declared victory on Monday over the Tamil Tiger rebels in a 25-year war. REUTERS/Louis Charbonneau (SRI LANKA POLITICS CONFLICT SOCIETY MILITARY)