Iran is marking 31 years of the return of Ayatollah Ruhollah Khomeini to the country that triggered the Islamic Revolution.
Ten days of celebrations, known as the Fajr festival, are being held.
Hundreds of people gathered at the shrine of Khomeini, the leader of the revolution, on Monday.
Al Jazeera's Nazanine Moshiri reports from the cemetery in the capital, Tehran.
