Brazilian Foreign Minister Celso Amorim, Brazilian President Luis Inacio Lula da Silva, Iranian Foreign Minister Manouchehr Mottaki, Iranian President Mahmoud Ahmadinejad and Turkish Prime Minister Recep Tayyip Erdogan join hands after the three countries signed an agreement to ship Iran's low-enriched uranium to Turkey in exchange for fuel for a nuclear reactor in Tehran, Iran, on May 17, 2010. Iran signed an agreement to swap its uranium in Turkey for enrichment, hoping to avert new international sanctions. Brazil helped broker the deal. UPI/Maryam Rahmanian