It wasn’t just dust that settled over downtown New York City after the 9/11 attacks, but a combination of cement, drywall, glass, jet fuel, and many other harmful materials. Decades later, the health complications are still making themselves known among the civilians and first responders who were there on that day.

To Learn More: scientificamerican.com/article/what-was-in-the-world-trade-center-plume/

Source: Scientific American