For American author Sarah Sentilles it was the image of the hooded prisoner tortured at Abu Ghraib. It changed the direction of her life to study photography and art as a way to change the world.

Art imagines a better world

Big Ideas brings you the best of talks, forums, debates, and festivals held in Australia and around the world, casting light on the major social, cultural, scientific and political issues

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Big Ideas brings you the best of talks, forums, debates, and festivals held in Australia and around the world, casting light on the major social, cultural, scientific and political issues

Big Ideas&nbsp;brings you the best of talks, forums, debates, and festivals held in Australia and around the world, casting light on the major social, cultural, scientific and political issues

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Art imagines a better world

Art imagines a better world