The annual five-day Haj pilgrimage begins on Saturday. In the pilgrimage, millions of Muslims from across the world trek from holy city of Mecca to assemble in Mina in Saudi Arabia. <br/><br/>They will spend the night there and move towards the plains of Arafat at dawn tomorrow for the day's main ritual of Haj-reciting prayers. The pilgrims will spend the day there praying.<br/><br/>Nearly one lakh 36,000 Indians are performing Haj this year.