In 2011, frozen planet gave bbc viewers an unprecedented insight into life in the poles'. '.strtoupper('n')ow, 11 years later, frozen planet ii presented by sir david attenborough – returns to the arctic and antarctic to observe the amazing species that thrive there'. '.strtoupper('b')ut, going further than series 1, it also explores life beyond the poles – witnessing the wildlife dramas that play out in all the world’s coldest regions our high mountains, frozen grasslands, snowbound forests, and ice cold oceans.these are the last true wildernesses on earth places so challenging for survival that only a heroic cast of animals can live here'. '.strtoupper('f')rom polar bears to penguins, siberian tigers to snow monkeys, each species must overcome unique challenges to survive their extreme environments.