epa04863837 A handout picture made available by the presidential official website shows Iranian President Hassan Rowhani (R) greeting EU foreign policy chief Federica Mogherini (L) at the presidential office in Tehran, Iran, 28 July 2015. EU chief diplomat Federica Mogherini arrived in Iran on 28 July where she is scheduled to meet President Hassan Rowhani and Foreign Minister Mohammad Javad Zarif just two weeks after she helped close the deal that aims to settle a long-standing dispute over Tehran’s controversial nuclear program and end its diplomatic isolation. EPA/PRESIDENTIAL OFFICIAL WEBSITE/HANDOUT HANDOUT EDITORIAL USE ONLY/NO SALES