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Disney's animation team have revealed the secrets behind using next generation technology to create virtual snow for their upcoming flick Frozen.

This vid shows the painstaking detail - and science geekery - it takes to make every frame of an animated feature film, and just how difficult it is.

The simulated snow certainly is realistic and is sure to wow audiences on this side of the pond when it begins showing on December 6th - it is released in the United States on Wednesday, November 27th.

The film stars Kristen Bell and Jonathan Groff as the voices behind two travellers.

Both of them set off on an epic journey to help save the fictional kingdom of Arendelle from eternal winter.

Check out the full video of the impressive virtual snow simulation above.