How does this affect the viewer? The body of work Sebastiao Salgado is very similar to films by Godfery Reggio. Check out this website congratulating Salgado as a humanitarian http://www.unicef.org/salgado/bio.htm. Do you think his work is worth of the award. 

Reggio's claims of art as a passive form of imagery thus, allowing the viewer to see the world more freely. Personally, I believe this very pretentious and manipulative.