A naga covered in ash stirs a large kettle of food for pilgrims at Kumbh Mela. Every 12 years, millions of devout Hindus celebrate the month-long festival of Kumbh Mela by bathing in the holy waters of the Ganges at Hardiwar, India. Hundreds of ashrams set up dusty, sprawling camps that stretch for miles. Under the watchful eye of police and lifeguards, the faithful throng to bathe in the river.