a few pix down shows streets in Suresnes, France being sprayed with something. Maybe the runoff gets into the ‘street cleaning water’ ?
(cool pix)
24 Pictures Of Deep Cleaning Around The World
https://www.buzzfeednews.com/article/gabrielsanchez/coronavirus-world-sanitizing-covid-19-pandemic
Surpised not to see spraying in Metro NYC.
hope they’re, at least, doing it for the subway.