High Representative of the European Union for Foreign Affairs and Security Policy Federica Mogherini (L) applauds Iranian Foreign Minister Mohammad Javad Zarif during a joint news conference after a plenary session at the United Nations building in Vienna, Austria July 14, 2015. REUTERS/Leonhard Foeger

High Representative of the European Union for Foreign Affairs and Security Policy Federica Mogherini (L) applauds Iranian Foreign Minister Mohammad Javad Zarif during a joint news conference after a plenary session at the United Nations building in Vienna, Austria July 14, 2015. REUTERS/Leonhard Foeger

High Representative of the European Union for Foreign Affairs and Security Policy Federica Mogherini (L) applauds Iranian Foreign Minister Mohammad Javad Zarif during a joint news conference after a plenary session at the United Nations building in Vienna, Austria July 14, 2015. REUTERS/Leonhard Foeger

September 1, 2016 8:42 AM (UTC+8)