FILE PHOTO: The installations of oil refinery NIS is seen in the Serbian town of Pancevo, some 20 km from Belgrade, December 5, 2008. REUTERS/Ivan Milutinovic/File Photo
FILE PHOTO: The installations of oil refinery NIS is seen in the Serbian town of Pancevo, some 20 km from Belgrade, December 5, 2008. REUTERS/Ivan Milutinovic/File Photo