China's Prime Minister Li Keqiang (L) and Brazilian President Dilma Rousseff shake hands after signing agreements at the Planalto Palace in Brasilia on May 19, 2015. Li Keqiang and Rousseff inked a series of trade and investment deals Tuesday worth billions of dollars, officials said. The Chinese Prime Minister is on a three-day official visit to Brazil, where he began a Latin America tour including Colombia, Peru and Chile. AFP PHOTO/EVARISTO SA (Photo credit should read EVARISTO SA/AFP/Getty Images)