I'm not an expert when it comes to technology, but what changed things for me was autofocus. I used to have to throw away half my pictures because it was so difficult to get the focus right.

I learned to be a hot-air balloon pilot to take tourists over the Masai Mara Reserve in order to earn some money and finance the work I was doing with my wife, Anne. We were studying the life of a family of lions for more than two years. Taking pictures was a way to capture information we could not put in words.

To have success in your professional life is not so hard. To succeed as a man is more difficult.

It's time to come together. We all have the power to change, so what are we waiting for?

I'm not an expert when it comes to technology, but what changed things for me was autofocus. I used to have to throw away half my pictures because it was so difficult to get the focus right.

The whole world is determined by trade - which is really the blood of the world. The driving force is everyone's desire to have a better life. How? By consuming. For countries, the "Holy Grail" is economic growth.

The Earth is Art, The Photographer is only a Witness.