

Iranians burn U.S. flags during a ceremony to mark the 40th anniversary of the Islamic Revolution in Tehran. Meghdad Madadi/Tasnim News Agency/via REUTERS
Iranian people gather as the Iran's President Hassan Rouhani speaks during a ceremony to mark the 40th anniversary of the Islamic Revolution in Tehran. Hossein Zohrevand/Tasnim News Agency/via REUTERS
Iranian people gather during a ceremony to mark the 40th anniversary of the Islamic Revolution in Tehran. Vahid Ahmadi/Tasnim News Agency/via REUTERS
Iranian people gather during a ceremony to mark the 40th anniversary of the Islamic Revolution in Tehran. Masoud Shahrestani/Tasnim News Agency/via REUTERS
Iran's President Hassan Rouhani speaks during a ceremony to mark the 40th anniversary of the Islamic Revolution in Tehran. Hossein Zohrevand/Tasnim News Agency/via REUTERS
An Iranian woman take selfies during a ceremony to mark the 40th anniversary of the Islamic Revolution in Tehran. Vahid Ahmadi/Tasnim News Agency/via REUTERS
An Iranian woman carries a picture of Iran's Supreme Leader Ayatollah Ali Khamenei during a ceremony to mark the 40th anniversary of the Islamic Revolution in Tehran. Masoud Shahrestani/Tasnim News Agency/via REUTERS
Iranians burn U.S. flags during a ceremony to mark the 40th anniversary of the Islamic Revolution in Tehran. Meghdad Madadi/Tasnim News Agency/via REUTERS
Iran's President Hassan Rouhani speaks during a ceremony to mark the 40th anniversary of the Islamic Revolution in Tehran. Official President website/via REUTERS
Iranians carry umbrellas during a ceremony to mark the 40th anniversary of the Islamic Revolution in Tehran. Vahid Ahmadi/Tasnim News Agency/via REUTERS
Iranian people gather during a ceremony to mark the 40th anniversary of the Islamic Revolution in Tehran. Masoud Shahrestani/Tasnim News Agency/via REUTERS
Iranian people gather as the Iran's President Hassan Rouhani speaks during a ceremony to mark the 40th anniversary of the Islamic Revolution in Tehran. Hossein Zohrevand/Tasnim News Agency/via REUTERS
Iran's President Hassan Rouhani speaks during a ceremony to mark the 40th anniversary of the Islamic Revolution in Tehran. Hossein Zohrevand/Tasnim News Agency/via REUTERS