Sebastião Salgado has witnessed international conflicts, famine and exodus. Salt of the Earth, co-directed by Wim Wenders and Salgado's son Juliano, traces the famed Brazilan photographer's career capturing an ever-changing humanity. Tonight at 9 pm on TVO. Look for more great photography docs streaming now at http://bit.ly/2rqJgqn | TVO Docs

The Salt of the Earth depicts a man, photographer Sebastiao Salgado, through the eyes of two other men: his son, film director Juliano Ribeiro Salgado, who tries to get to know a father who was often away from home; and Wim Wenders, one of the great film-makers of our time. | MUBI