On Fri, 3 Aug 2018 14:01:43 +0100, "NY" wrote:

snip

It's a times like that I think of the statistic that water in some big
cities has passed several times through people's kidneys before finding its
way to the sea to go though the normal evaporation/rainfall cycle. I forget
how many times it is...

I thought it was 7 for some reason?

Cheers, T i m