A general view of SK Energy main factory in Ulsan, about 410 km (256 miles) southeast of Seoul, February 25, 2009. REUTERS/Jo Yong-Hak/File Photo
A general view of SK Energy main factory in Ulsan, about 410 km (256 miles) southeast of Seoul, February 25, 2009. REUTERS/Jo Yong-Hak/File Photo