Hindu holy men, or a Naga Sadhus, return to their camp after a dip at Sangam, the intersection of the rivers Ganges, Yamuna and mythical Saraswati, on the first day of the Maha Kumbh Mela, in Allahabad, India, Jan. 14, 2013. The festival takes place every 12 years, and has its roots in Hindu mythology. (Rajesh Kumar Singh/AP Photo)