In an age of lightning-fast and celebrity-obsessed media, a time when a single subject can be photographed and transmitted around the world in mere moments, Brazilian photographer Sebastião Salgado stands out. Not only does the celebrated documentary photographer eschew commercial subjects for socially charged images of humans and landscapes shaped by socioeconomic and environmental injustice, but also he routinely devotes years to his projects, which often comprise hundreds of black-and-white images.