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The unique artwork of Gregory Colbert is recognised around the world for his ability to capture moments of intersection between humans and wildlife that are seemingly impossible.

Born in Canada, Colbert started his career with more conventional work making documentaries on social issues.

However, that all changed in 1992 after his first exhibit in Switzerland.

For the next decade, he launched a series of expeditions around the world documenting through photographs diverse wildlife interacting with humans in their natural settings.

His traveling exhibition "Ashes and Snow" was presented in 2002 to international acclaim and launched what has become a heightened social awareness to protect wildlife.

To date, more people have visited "Ashes and Snow" than any other in history.

This episode of One on One can be seen from Saturday, July 31, at the following times GMT: Saturday: 0030, 1630; Sunday: 0430, 2330; Monday: 0300, 1230.

Source: Al Jazeera