english: As a way to raise awareness about the importance of green surfaces in the city, the Macedonian non-governmental organization Eko-svest is installing vertical green gardens — called "City Tree" — in Skopje and Tetovo, both cities with high air pollution levels.
non_english: De Macedonische ngo Eko-svest wil mensen duidelijk maken hoe belangrijk groene ruimte in de stad is. De organisatie plaatst in Skopje en Tetovo verticale groene tuinen die ze "Stadsbomen" noemen.