Every 12 years, one Indian city balloons from a few million residents to tens of millions. The Maha Kumbh Mela in Allahabad, a Hindu religious festival in which tens of millions of pilgrims come together at the convergence of two real rivers, the Ganges and the Yamuna, and one mythical stream, the Saraswati. They stay for all or part of a celebration—this year’s would last 55 days—that is the largest single-purpose human gathering on earth. Read More
