Sadhus or Hindu holy men prepare to take a holy dip during the “Maha Kumbh Mela”, or the Great Pitcher Festival, in Prayagraj, India, January 14. REUTERS/Adnan AbidiDevotees cross pontoon bridges on the day they take a holy dip at Sangam, the confluence of the Ganges and Yamuna rivers with the mythical, invisible Saraswati river, during the “Maha Kumbh Mela”, or the Great Pitcher Festival, in Prayagraj, India, January 13. REUTERS/Adnan AbidiA Sadhu or a Hindu holy man looks on during the day devotees take a holy dip at Sangam, the confluence of the Ganges and Yamuna rivers with the mythical, invisible Saraswati river, during the “Maha Kumbh Mela”, or the Great Pitcher Festival, in Prayagraj, India, January 13. REUTERS/Adnan AbidiA Sadhvi or a Hindu holy woman reacts as she takes a holy dip during the “Maha Kumbh Mela”, or the Great Pitcher Festival, in Prayagraj, India, January 14. REUTERS/Anushree FadnavisDevotees take a holy dip at Sangam, the confluence of the Ganges and Yamuna rivers with the mythical, invisible Saraswati river ahead of the ” Great Maha Kumbh Mela”, or the Pitcher Festival, in Prayagraj, India, January 12. REUTERS/Adnan AbidiPolicemen on horses remove devotees from the water before the arrival of Naga Sadhus, or Hindu holy men, during the first “Shahi Snan” (grand bath) during the “Maha Kumbh Mela”, or the Great Pitcher Festival, in Prayagraj, India, January 14. REUTERS/Adnan AbidiWomen pray on the banks of the Ganges River during the “Maha Kumbh Mela”, or the Great Pitcher Festival, in Prayagraj, India, January 13. REUTERS/Anushree FadnavisNaga Sadhus, or Hindu holy men, smear ash on their bodies after taking a dip during the “Maha Kumbh Mela”, or the Great Pitcher Festival, in Prayagraj, India, January 14. REUTERS/Anushree FadnavisDevotees gather at the river bank to take a holy dip at Sangam, the confluence of the Ganges and Yamuna rivers with the mythical, invisible Saraswati river, during the “Maha Kumbh Mela”, or the Great Pitcher Festival, in Prayagraj, India, January 13. REUTERS/Adnan AbidiA Naga Sadhu, or a Hindu holy man, sits covered in ashes during the “Maha Kumbh Mela”, or the Great Pitcher Festival, in Prayagraj, India, January 14. REUTERS/Adnan Abidi