On the eve of Imam Reza’s martyrdom anniversary, more than 30,000 devotees from Azeri-speaking provinces will take part in “Shah Hossein” mourning ceremony at Imam Reza Shrine.
The event will begin at 00:45 AM on August 24 in Imam Khomeini Portico and continue until 2:30 AM. 
In this traditional ritual, mourners perform symbolic sword movements, expressing deep devotion and reverence for the eighth Imam.