I discovered that close to half the planet is 'pristine.' We live in towns such as London, Paris or Sao Paulo and have the impression that all the pristine areas are gone, but they are not.

I have tried to bring about better communication between people. I believe that humanitarian photography is like economics. Economy is a kind of sociology, as is documentary photography.

I discovered that close to half the planet is 'pristine.' We live in towns such as London, Paris or Sao Paulo and have the impression that all the pristine areas are gone, but they are not.

The light in Alaska in particular is so beautiful. So beautiful! Such incredible light.

Of course I will continue photography. I love photography. But when you become old, it's too much.

As in any person's life, there have been difficult moments: I have a son with Down's syndrome; through my photography, I have witnessed all manner of human degradation. But there have also been very happy moments.

More than ever, I feel that the human race is one. There are differences of colour, language, culture and opportunities, but people's feelings and reactions are alike. People flee wars to escape death, they migrate to improve their fortunes, they build new lives in foreign lands, they adapt to extreme hardship….