A Naga sadhu, or naked Hindu holy man, prays inside his camp at the Sangam, the confluence of rivers Ganges, Yamuna and mythical Saraswati, in Allahabad, india, Friday, Jan. 11, 2013. Millions of Hindu pilgrims are expected to take part in the Maha Kumbh festival, a large religious congregation of a period of over a month, which falls every 12th year. Photo: Rajesh Kumar Singh, Associated Press