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Brazilian photographer Salgado on latest show, Genesis

10 April 2013 Last updated at 11:22 BST

World-renowned Brazilian photographer Sebastiao Salgado's latest exhibition, Genesis, has its world premiere at the Natural History Museum in London this week.

It comprises more than 200 prints of dramatic natural landscapes and stunning images of indigenous people, selected from eight years' work and shot in more than thirty countries.

BBC Newsnight's Stephen Smith has been to meet the photographer.