North Korean workers sew clothes at a factory of South Korean apparel maker Shinwon company in the inter-Korean industrial park in Kaesong, just a few hundred metres (yards) north of the heavily fortified Demilitarised Zone that divides the Korean peninsula in this May 26, 2005 file photo. North Korea said on May 15, 2009, it was cancelling all wage, rent and tax agreements with South Korea at a joint factory park just north of their heavily armed border that has become a focus of friction between the rival states. Picture taken May 26, 2005. REUTERS/Lee Jae-Won/Files (NORTH KOREA POLITICS MILITARY BUSINESS)