Sochi Winter Olympics preview

Big air and breakneck speeds, the Winter Olympic Games in Sochi, Russia, will bring together some of the coolest athletes in the world.

Bobsleigh, luge and freestyle skiing are just some of the sports you've got to look forward to over the next couple of weeks.

And there are high hopes of a record medal haul for Team GB.

Watch Martin's guide to which members of Team GB to watch out for when the Games begin on tomorrow...

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