The Kanwar is India's largest annual religious pilgrimage. Millions of participants gather sacred water from the Ganga and carry it across hundreds of miles to dispense as offerings in Śiva shrines. These devotees-called bhola, gullible or fools, and seen as miscreants by many Indians-are mostly young, destitute men, who have been left behind in the globalizing economy. But for these young men, the ordeal of the pilgrimage is no foolish...