U.S. Secretary of State John Kerry attends a joint press conference with Argentinean Foreign Minister Susana Malcorra (not in the picture) 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)