Truck drivers talk between South Korean trucks turning back to South Korea's CIQ (Customs, Immigration and Quarantine) after they were banned from entering the Kaesong industrial complex in North Korea, just south of the demilitarised zone separating the two Koreas, in Paju, north of Seoul, April 3, 2013. North Korean authorities were not allowing any South Korean workers into a joint industrial park on Wednesday, South Korea's Unification Ministry and a Reuters witness said, adding to tensions between the two countries. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: MILITARY POLITICS BUSINESS TRANSPORT) Published: Dub. 3, 2013, 4:38 dop. | Foto: Reuters