Why is Brussels so polluted?

telework, Rue de la Loi (Brussels), rush hour, jam-packed, exhaust fumes, engines revving, horns blaring, congestion, to savour, surrounding Flanders, Wallonia, Brussels Region, gridlock, to commute, Marcel Proust „In search of lost time”, relatable, „Game of Thrones”, pollution, suburb, to spew out, tax breaks, company cars, to clog up, diesel cars, toll, teleworking, pros and cons, no-brainer, pedestrians, green spaces, bicycle lane, soulless office blocks, scattered across, brain drain, amenities, silver linings, to follow suit, to reclaim

Attention: no introduction