An Indian boatman walks past polluted water of the river Ganga at Sangam, the confluence of the Ganges, Yamuna and Saraswati rivers, in Allahabad on June 3, 2015. AFP PHOTO/ SANJAY KANOJIA (Photo credit should read Sanjay Kanojia/AFP/Getty Images)
An Indian boatman walks past polluted water of the river Ganga at Sangam, the confluence of the Ganges, Yamuna and Saraswati rivers, in Allahabad on June 3, 2015. AFP PHOTO/ SANJAY KANOJIA (Photo credit should read Sanjay Kanojia/AFP/Getty Images)