Iranian policemen hold a national flag of Iran during a rally marking the 38th anniversary of the victory of the Islamic revolution in 1979 in Tehran, Iran, Feb. 10, 2017. Hundreds of thousands of Iranians attended nationwide rallies on Friday to celebrate the 38th anniversary of the victory of the Islamic revolution in 1979. (Xinhua/Ahmad Halabisaz)
An Iranian boy whose face was painted with national flag of Iran attends a rally marking the 38th anniversary of the victory of the Islamic revolution in 1979 in Tehran, Iran, Feb. 10, 2017. Hundreds of thousands of Iranians attended nationwide rallies on Friday to celebrate the 38th anniversary of the victory of the Islamic revolution in 1979. (Xinhua/Ahmad Halabisaz)
Iranian young men take selfies during a rally marking the 38th anniversary of the victory of the Islamic revolution in 1979 in Tehran, Iran, Feb. 10, 2017. Hundreds of thousands of Iranians attended nationwide rallies on Friday to celebrate the 38th anniversary of the victory of the Islamic revolution in 1979. (Xinhua/Ahmad Halabisaz)
