Iranian Foreign Minister Mohammad Javad Zarif gestures as he talks with Iranian Deputy Foreign Minister, Iranian deputy foreign minister for European and American Affairs, and the brother of the Iranian president (not pictured) onto a balcony of the Palais Coburg Hotel, where the Iran nuclear talks meetings are being held in Vienna on July 11, 2015.  World powers struggled on July 11  to break a deadlock in marathon negotiations with Iran, as they seek a deal curbing Tehran's nuclear ambitions in return for sanctions relief. AFP PHOTO / JOE KLAMARJOE KLAMAR/AFP/Getty Images Photo: JOE KLAMAR, Staff / AFP / Getty Images / AFP