The world's first city air pollution filter is seen in Warsaw, Poland on January 6, 2021. The "Oxygen" filter processes up to 40 million cubic meters of air in eight hours. That's roughly the volume of the city's iconic Palace of Cultur and Sciences. The device, created by Pawel Makowski has been installed in the southern Wilanow district near a park. According to Makowski we should be cleaning our air just as we clean our streets, windows and cars. The nearly 3 meter high, cube shaped device has been installed in a park in the southern Wilanow district of Warsaw.
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