http://www.time.com/time/magazine/archive/1994/940912/940912.press.html

Visiting Sudan, a little-known photographer took a picture that made the world weep. What happened afterward is a tragedy of another sort.

..."I'm really, really sorry," he explained in a note left on the passenger seat beneath a knapsack. "The pain of life overrides the joy to the point that joy does not exist."...