What I have always found interesting is that you can gloss past any number of images of war refugees or people in living in unbelievable poverty. We have seen so many they hardly register on our brains.. But Salgado somehow is able to present an image that has a certain beauty that the viewer cannot easily dismiss. I think that is the strength of his work.
Those are the type of images that just turn me off. I can get that kind of stuff on any news site. I look to photography for its ability to portray what is good and acceptable, not what is ugly and evil.