Arbaeen and walk from Najaf to Karbala

• This documentary is about Arbaeen, the world's largest peaceful gathering on the Earth. 
• People from all across the world come and walk from Najaf the holy city of Iraq to Karbala where Imam Hussain, the grandson of Prophet Mohammed is laid to rest.
• Arbaeen is a religious observance that occurs forty days after the Day of Ashura (10th of Muharram). 
• It commemorates the martyrdom of Imam Hussain who was killed on the 10th day of the month of Muharram. 
• Imam Hussain and 71 of his companions were killed by Yazid's army in the Battle of Karbala in 680 CE.