On BBC's series Lost Land of the Tiger, Gordon Buchanan's remote cameras reveal tigers living above 3000m in Bhutan, a discovery that could help to secure the future of tigers in the region.
Watch the footage:
Here's another video from the special, when an enormous storm breaks suddenly in the jungle. The sky rains hail stones the size of bullets and threatens to blow away the team's base camp. Camerawoman Justine Evans is forced to brave the fierce wind, rain and lightning from her hide in the trees.