An Iranian national flag flutters during the opening ceremony of the 16th International Oil, Gas & Petrochemical Exhibition (IOGPE) in Tehran April 15, 2011. REUTERS/STR/File Photo
File photo of an Iranian national flag during the opening ceremony of the 16th International Oil, Gas & Petrochemical Exhibition (IOGPE) in Tehran
by Thaer Abbas | May 18, 2017 |