Ken and Melanie Light embarked on a five-year photographic journey of a region known for its agricultural plenty -- and the marginalization of its people which they captured in their book, Valley of Shadows and Dreams.

A conversation with Brazilian photographer Sebastiao Salgado, UC Berkeley Graduate School of Journalism adjunct professor Ken Light and Photo Critic and Curator Fred Ritchin. Series: UC Berkeley Graduate School of Journalism presents [1/2005]