South Korean and Mexican government officials pose together after signing a memorandum of understanding (MOU) on promoting trade and investment between their countries at the presidential office in Mexico City on April 4, 2016 (local time). The MOU was among a number of such pacts signed during South Korean President Park Geun-hye's visit to Mexico that began on April 2. From left -- South Korean Trade Minister Joo Hyung-hwan; Mexican Secretary of Energy Petro Joaquin Coldwell; Mexican Secretary of Economy Ildefonso Guajardo Villarreal. (Yonhap) (END)