Muslims from around the world today assembled at Mecca to perform the stoning ritual that is the final major rite of hajj. <br/><br/>Rivers of pilgrims flowed on multiple ramps toward the Jamarat Bridge where the "stoning of the devil" is taking place under high security. <br/><br/>The stoning ritual coincides with Eid al-Adha, Islam's feast of sacrifice, which is celebrated by more than 1.5 billion Muslims worldwide.<br/><br/>More than 1.8 million faithful, most of them from abroad, are performing the six-day hajj, which ends on Thursday.