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Guy Laliberté is a French-Canadian billionaire, poker champion, stilt-walker, fire-eater and former entrepreneur of the year.

However, he is perhaps better known as the clown who went into orbit with a team of Russian cosmonauts.

He took a Soyuz flight up to the International Space Station as a space tourist, but he insists he is a spaceman with a mission down here on Earth: to help people get access to drinking water.

The ÃÛÑ¿´«Ã½'s Mark Whitaker began by asking him what it was like to be in space.

First broadcast 22 October 2009