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.
Polar bears are the largest land carnivores on Earth.
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'.