Sadhus, or Hindu holy men, hold national flags and celebrate India's Republic Day at the Sangam, the confluence of the rivers Ganges, Yamuna and mythical Saraswati, during the Maha Kumbh Mela in Allahabad, India Saturday, Jan. 26, 2013. Millions of Hindu pilgrims are expected to attend the Maha Kumbh festival, which is one of the world's largest religious gatherings that lasts 55 days and falls every 12 years.(AP Photo/ Rajesh Kumar Singh)