U.S. Secretary of State John Kerry (R) and Argentinean Foreign Minister Susana Malcorra attend a joint press conference at the Palacio San Martin, the Argentinean Foreign Ministry headquarters, in Buenos Aires, capital of Argentina, on Aug. 4, 2016. Kerry's visit is seen as the next step in a rapprochement which saw U.S. President Barack Obama visit in March. (Xinhua/Martin Zabala)