North Korean employees work in a factory of a South

North Korean employees work in a factory of a South

North Korean employees work in a factory of a South Korean company at the Joint Industrial Park in Kaesong industrial zone

North Korean employees work in a factory of a South Korean company at the Joint Industrial Park in Kaesong industrial zone, a few miles inside North Korea from the heavily fortified border December 19, 2013. REUTERS/Kim Hong-Ji