39th anniversary of victory of Islamic revolution marked in Tehran, Iran

A boy holds an Iranian national flag at a rally to mark the 39th anniversary of the victory of the Islamic revolution at Azadi (liberty) Square in Tehran, Iran, on Feb. 11, 2018. Hundreds of thousands of Iranians on Sunday celebrated nationwide the 39th anniversary of the victory of the Islamic revolution in 1979. (Xinhua/Ahmad Halabisaz)