A giant art mural located in Warsaw, Poland is helping people breathe a little easier. Made up of sun-activated, smog-cleaning pigments, the mural attracts airborne pollutants and converts them into harmless nitrates that purify the surrounding air equal to 720 trees using photocatalytic paint with titanium dioxide. 

The campaign was organized by sportswear company Converse as part of its City Forests campaign.

Let's start painting...who's in?