A collection of images from Gordon Buchanan's The Bear Family and Me.
The bears are in danger when hunters move into the forest.
Before Gordon can start filming he faces a major challenge - to earn the bears' trust.
Gordon discovers that bear cub Hope has been abandoned by her mother.
The technology used to film this stunning series helped gather some incredible images.
Take a look at some spectacular images from Gordon Buchanan's Polar Bear Family & Me.
See more of Gordon Buchanan's mobile bear hide 'Ice Cube'.
Knut was an incredible polar bear, raising awareness worldwide.