Narrated by Sir David Attenborough and from the award-winning team behind Planet Earth and Blue Planet comes the ultimate portrait of the earths Polar regions. The Arctic and Antarctic remain the greatest wildernesses on Earth. The scale and beauty of the scenery and the sheer power of the elements the weather, the ocean and the ice is unmatched anywhere else on our planet. Yet these harsh environments are teeming with life: home to iconic animals from polar bears to emperor penguins and