The fate of the Sayyida Zeinab shrine in a changing Syria

A shrine on the outskirts of Damascus has long been a prominent destination for Shias from around the world. Its golden dome glistens in the sun and the outer walls are covered in tiles from Iran. But the shrine's connection to Iran goes beyond aesthetics. Iranian guards once protected the holy site - but they also helped keep Syria's former leader, Bashar al-Assad, in power. The World's Shirin Jaafari has the story.