The picture shows devotees performing congrgational prayers which were led by Hojjat al-Islam Seyyed Ali Khomeini, a grandson of the Islamic Republic at a holy site during the holy month of Muharram.
Several social, cultural and academic gatherings have regularly been held at the holy shrine of in recent months.
The site, which is visited by thousands of pilgrims and tourists from across Iran and the world, has also become center of academic activities and Quranic sessions.
Thousands of mourners used to attend religious gatherings at the shrine during first ten days of the holy Muharram to remember the sufferings of Imam Hussein (PBUH), the truthful successor of the holy prophet, whose message still continues to echo against brutality and injustice on the earth.