Surreal Footage on Instagram: "In a chilling encounter during the filming of the BBC series The Polar Bear Family and Me, wildlife cameraman Gordon Buchanan found himself face-to-face with a hungry polar bear. Inside a reinforced perspex viewing box, Buchanan was documenting the bear’s behavior when the animal’s curiosity turned to aggression. The bear pawed and bit at the box, testing its strength and Buchanan’s composure. Despite the bear’s persistence, the structure held firm, and Buchanan re