When compared with firefighters who did not work at ground zero, firefighters working the pile were 19% more likely to get a cancer diagnosis.
与未曾在座标零点工作过的消防员对比，在废墟上工作过的消防员诊断出患癌的机率高出19%。
2
"You obviously can't be afraid of heights," says Mr. Riegel, who once fell two stories while working on a rooftop in the rain but luckily landed safely on a pile of soft dirt.
“你肯定不能怕高”，Riegel说，他曾经在一个下雨天，从两层楼上跌下，但幸运是落入了一堆软土中。
3
Michael Valentin, who volunteers for the group, spent about four months working around the pile of debris from the towers.