World of ice!

Take a look at the animals living in Asia's frozen north...

- NATASHA HOLT, VICTORIA WILSON

Each year, more than half of Asia is transformed into a wintry wilderness, creating habitats in which only the most-adaptable wildlife can survive.

‘Snow and ice stretches across the continent,’ says Sir David Attenborough, who narrates the series. ‘In the north, forests, mountains and even deserts are frozen over.’