If the Nile is Cairo’s ailing heart, then polluted skies are its black lungs.
Choking the city with swirling dust from the early hours, they cake the towering apartment blocks with muck and blanket the Great Pyramids in an impenetrable haze. Air-conditioning units clog up, no longer able to fend off the filth; asthmatics often stay indoors – prisoners in their own homes.
For shopkeepers on Cairo’s biggest, most heavily-trafficked thoroughfares life can seem like a perpetual battle to breathe. “I don’t even smoke, but on some days it feels like I do!” said Hassan Sabry Mohammed, a fruit vendor in the downtown district, as he doused the surrounding sidewalk with water to keep the dust down.