Czestochowa installs tram tracks that purify air

[Arūnas]

https://www.themayor.eu/en/a/view/cz...urify-air-8130

[Satem]

Nice, on the other hand I will wait for results of effciency of those filters
It seems there won't be too big surface for reactions, as well filters may just do their job with no significant effect

I am a bit sceptical but of course it's better to try than do nothing

[Arūnas]