Gordon Buchanan's Near-Death Encounter with a Polar Bear

• Gordon Buchanan faced a polar bear attack in Svalbard while filming.
• He used a Perspex 'Ice Cube' booth for protection during the attack.
• The polar bear tried to breach the booth for nearly an hour.
• Buchanan filmed the encounter, showcasing filming risks in extremes.
• Arctic changes force bears to hunt differently, increasing danger.
• The incident was part of BBC's 'The Polar Bear Family And Me'.
• Buchanan's book 'In The Hide' details this thrilling encounter.