The impact throws some 300 billion tons of sulfur up into the atmosphere.

撞击将大约 3000 亿吨的硫抛入大气层。

(voice-over): Hauling a man's weight in sulfur up these steep trails to earn the equivalent of just around $12 a day.

（画外音）：在这些陡峭的小路上拖着一个人重的硫磺，每天的收入相当于 12 美元左右。