A Hindu holy man dries his hair after a dip at Sangam, the confluence of the rivers Ganges and Yamuna during the Maha Kumbh festival in Allahabad, India, Jan. 22, 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. (Rajesh Kumar Singh/AP Photo )