How did they find out the water's secret in those ancient ages?
Had they germ-scientists then?
We do not know.

We only know that they had a civilization long before we emerged from savagery.

But to return to where I was before; I was about to speak of the burning-ghat.
They do not burn fakeers--those revered mendicants.

They are so holy that they can get to their place without that sacrament, provided they be consigned to the consecrating river.

We saw one carried to mid-stream and thrown overboard.