Hat but not everyone was wearing the kind of mask they were supposed to be wearing. bill: ci see that x-ray for a second in i want to point to something to we can get better clarification. toss it over here. what you're saying is the blackened area shows the disease, something they contracted at the world trade center. for a healthy person, would these lungs be white? >> no, the lungs would not be as black. it's called reactive air way dysfunctional symptom, you get it from inhaling toxins and fumes. this was one of the worst on record. in fact this combination of burning asbestos and concrete...