Gordon Buchanan and Mark Smith reveal how skills learned in Scotland helped in their work. Some of the world's rarest and most dangerous animals live on dry land. Capturing them on film requires great patience and specialist skills. In this episode, Gordon Buchanan and Mark Smith reveal how the wildlife-tracking skills they learned back home in Scotland have allowed them to film some of the natural world's most intimate moments, including being the first to film wild pandas mating and snow leopards hunting