A crowd gathers before dawn on a bridge over the Shipra River which flows through the holy city of Ujjain, in the central Indian state of Madhya Pradesh during the Hindu festival of Kumbh Mela. Every 12 years, millions of devout Hindus celebrate the month-long festival of Kumbh Mela by bathing in the Shipra's holy waters. Hundreds of ashrams set up dusty, sprawling camps that stretch for miles.