A worker works at an assembly line of Hyundai Motor's plant in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)





A labourer works at an assembly line of Hyundai Motor's plant in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)





A worker works at an assembly line of Hyundai Motor's plant in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)





A worker works at a plant of Hyundai Motor in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)





A worker works at an assembly line of Hyundai Motor's plant in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)





A worker works at an assembly line of Hyundai Motor's plant in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)





A worker works at an assembly line of Hyundai Motor's plant in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)





A worker works at an assembly line of Hyundai Motor's plant in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)





A worker works at a plant of Hyundai Motor in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)





A worker works at an assembly line of Hyundai Motor's plant in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)





Hyundai Motor's sedans are assembled at its plant in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)





A worker works at a plant of Hyundai Motor in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)





A worker works at a plant of Hyundai Motor in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)





Hyundai Motor's sedans are assembled at its plant in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)





A worker stands in front of parts of Hyundai Motor's sedans at its plant in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)





Parts of Hyundai Motor's sedans are seen at its plant in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)





A worker walks past an assembly line of Hyundai Motor's plant in Asan, South Korea, January 27, 2016. (Photo by Kim Hong-Ji/Reuters)