India's outcast toilet cleaners keeping Hindu festival going

The millennia-old sacred show of religious piety and ritual bathing, which began on Monday and runs until February 26 in the north Indian city of Prayagraj, is this year predicted to be the biggest yet, and the largest ever gathering of humanity. Organisers expect a staggering 400 million pilgrims will bathe during the six-week-long festival in the confluences of the Ganges and Yamuna rivers, holy waters for Hindus. That creates a waste removal and public health challenge of epic proportions,...