U.S. Secretary of State John Kerry, left, and Argentina’s Foreign Minister Susana Malcorra, attend a wreath-laying ceremony at Plaza San Martin square to pay homage to Argentine XIX century hero General Jose de San Martin, in Buenos Aires, Argentina, Thursday, Aug. 4, 2016. During his visit Kerry will also meet with the country’s president before heading to Brazil to to lead the U.S. Presidential Delegation to the Opening Ceremony of the 2016 Olympic Summer Games.